CVE-2022-3602

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-3602", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "assignerShortName": "openssl", "datePublished": "2022-11-01T00:00:00.000Z", "dateUpdated": "2026-04-14T08:58:02.339Z", "dateReserved": "2022-10-19T00:00:00.000Z"}, "containers": {"cna": {"title": "X.509 Email Address 4-byte Buffer Overflow", "datePublic": "2022-11-01T00:00:00.000Z", "providerMetadata": {"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "shortName": "openssl", "dateUpdated": "2022-11-03T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address to overflow four attacker-controlled bytes on the stack. This buffer overflow could result in a crash (causing a denial of service) or potentially remote code execution. Many platforms implement stack overflow protections which would mitigate against the risk of remote code execution. The risk may be further mitigated based on stack layout for any given platform/compiler. Pre-announcements of CVE-2022-3602 described this issue as CRITICAL. Further analysis based on some of the mitigating factors described above have led this to be downgraded to HIGH. Users are still encouraged to upgrade to a new version as soon as possible. In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects. Fixed in OpenSSL 3.0.7 (Affected 3.0.0,3.0.1,3.0.2,3.0.3,3.0.4,3.0.5,3.0.6)."}], "affected": [{"vendor": "OpenSSL", "product": "OpenSSL", "versions": [{"version": "Fixed in OpenSSL 3.0.7 (Affected 3.0.0,3.0.1,3.0.2,3.0.3,3.0.4,3.0.5,3.0.6)", "status": "affected"}]}], "references": [{"url": "https://www.openssl.org/news/secadv/20221101.txt"}, {"url": "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=fe3b639dc19b325846f4f6801f2f4604f56e3de3"}, {"name": "[oss-security] 20221101 OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/15"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/16"}, {"name": "20221028 Vulnerabilities in OpenSSL Affecting Cisco Products: November 2022", "tags": ["vendor-advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-W9sdCc2a"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/21"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/19"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/18"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/20"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/24"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/17"}, {"name": "GLSA-202211-01", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202211-01"}, {"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0023"}, {"name": "VU#794340", "tags": ["third-party-advisory"], "url": "https://www.kb.cert.org/vuls/id/794340"}, {"name": "FEDORA-2022-0f1d2e0537", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWP23EZYOBDJQP7HP4YU7W2ABU2YDITS/"}, {"name": "FEDORA-2022-502f096dce", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63YRPWPUSX3MBHNPIEJZDKQT6YA7UF6S/"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/2"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/6"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/5"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/1"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/3"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/7"}, {"name": "[oss-security] 20221102 Re: Fwd: Node.js security updates for all active release lines, November 2022", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/10"}, {"name": "[oss-security] 20221102 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/9"}, {"url": "http://packetstormsecurity.com/files/169687/OpenSSL-Security-Advisory-20221101.html"}, {"name": "[oss-security] 20221102 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/12"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/11"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/15"}, {"name": "[oss-security] 20221102 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/14"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/13"}, {"url": "https://security.netapp.com/advisory/ntap-20221102-0001/"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/1"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/2"}, {"name": "[oss-security] 20221103 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/3"}, {"name": "[oss-security] 20221103 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/5"}, {"name": "[oss-security] 20221103 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/7"}, {"name": "[oss-security] 20221103 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/6"}, {"name": "[oss-security] 20221103 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/9"}, {"name": "[oss-security] 20221103 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/10"}, {"name": "[oss-security] 20221103 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/11/03/11"}], "credits": [{"lang": "en", "value": "Polar Bear"}], "metrics": [{"other": {"type": "unknown", "content": {"lang": "eng", "url": "https://www.openssl.org/policies/secpolicy.html#HIGH", "value": "HIGH"}}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Buffer overflow"}]}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.openssl.org/news/secadv/20221101.txt", "tags": ["x_transferred"]}, {"url": "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=fe3b639dc19b325846f4f6801f2f4604f56e3de3", "tags": ["x_transferred"]}, {"name": "[oss-security] 20221101 OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/15"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/16"}, {"name": "20221028 Vulnerabilities in OpenSSL Affecting Cisco Products: November 2022", "tags": ["vendor-advisory", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-W9sdCc2a"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/21"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/19"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/18"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/20"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/24"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/17"}, {"name": "GLSA-202211-01", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202211-01"}, {"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0023", "tags": ["x_transferred"]}, {"name": "VU#794340", "tags": ["third-party-advisory", "x_transferred"], "url": "https://www.kb.cert.org/vuls/id/794340"}, {"name": "FEDORA-2022-0f1d2e0537", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWP23EZYOBDJQP7HP4YU7W2ABU2YDITS/"}, {"name": "FEDORA-2022-502f096dce", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63YRPWPUSX3MBHNPIEJZDKQT6YA7UF6S/"}, {"name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/2"}, {"name": "[oss-security] 20221102 Re: OpenSSL 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["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/3"}, {"name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/7"}, {"name": "[oss-security] 20221102 Re: Fwd: Node.js security updates for all active release lines, November 2022", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/10"}, {"name": "[oss-security] 20221102 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/11/02/9"}, {"url": "http://packetstormsecurity.com/files/169687/OpenSSL-Security-Advisory-20221101.html", 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"http://www.openwall.com/lists/oss-security/2022/11/02/5", "name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/1", "name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/3", "name": "[oss-security] 20221101 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/7", "name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/10", "name": "[oss-security] 20221102 Re: Fwd: Node.js security updates for all active release lines, November 2022", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/9", "name": "[oss-security] 20221102 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://packetstormsecurity.com/files/169687/OpenSSL-Security-Advisory-20221101.html"}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/12", "name": "[oss-security] 20221102 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/11", "name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/15", "name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/14", "name": "[oss-security] 20221102 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/02/13", "name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "https://security.netapp.com/advisory/ntap-20221102-0001/"}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/1", "name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/2", "name": "[oss-security] 20221102 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/3", "name": "[oss-security] 20221103 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/5", "name": "[oss-security] 20221103 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/7", "name": "[oss-security] 20221103 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/6", "name": "[oss-security] 20221103 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/9", "name": "[oss-security] 20221103 Re: Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/10", "name": "[oss-security] 20221103 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}, {"url": "http://www.openwall.com/lists/oss-security/2022/11/03/11", "name": "[oss-security] 20221103 Re: OpenSSL X.509 Email Address 4-byte Buffer Overflow (CVE-2022-3602), X.509 Email Address Variable Length Buffer Overflow (CVE-2022-3786)", "tags": ["mailing-list"]}], "descriptions": [{"lang": "en", "value": "A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address to overflow four attacker-controlled bytes on the stack. This buffer overflow could result in a crash (causing a denial of service) or potentially remote code execution. Many platforms implement stack overflow protections which would mitigate against the risk of remote code execution. The risk may be further mitigated based on stack layout for any given platform/compiler. Pre-announcements of CVE-2022-3602 described this issue as CRITICAL. Further analysis based on some of the mitigating factors described above have led this to be downgraded to HIGH. Users are still encouraged to upgrade to a new version as soon as possible. In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects. Fixed in OpenSSL 3.0.7 (Affected 3.0.0,3.0.1,3.0.2,3.0.3,3.0.4,3.0.5,3.0.6)."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Buffer overflow"}]}], "providerMetadata": {"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "shortName": "openssl", "dateUpdated": "2022-11-03T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2022-3602", "state": "PUBLISHED", "dateUpdated": "2026-04-14T08:58:02.339Z", "dateReserved": "2022-10-19T00:00:00.000Z", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "datePublished": "2022-11-01T00:00:00.000Z", "assignerShortName": "openssl"}, "dataVersion": "5.2"}

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Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address to overflow four attacker-controlled bytes on the stack. This buffer overflow could result in a crash (causing a denial of service) or potentially remote code execution. Many platforms implement stack overflow protections which would mitigate against the risk of remote code execution. The risk may be further mitigated based on stack layout for any given platform/compiler. Pre-announcements of CVE-2022-3602 described this issue as CRITICAL. Further analysis based on some of the mitigating factors described above have led this to be downgraded to HIGH. Users are still encouraged to upgrade to a new version as soon as possible. In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects. Fixed in OpenSSL 3.0.7 (Affected 3.0.0,3.0.1,3.0.2,3.0.3,3.0.4,3.0.5,3.0.6)."}, {"lang": "es", "value": "Puede activarse una saturaci\u00f3n del b\u00fafer en la verificaci\u00f3n del certificado X.509, espec\u00edficamente en la verificaci\u00f3n de restricciones en el nombre. Tenga en cuenta que esto ocurre despu\u00e9s de la verificaci\u00f3n de la firma de la cadena de certificados y requiere que una CA haya firmado el certificado malicioso o que la aplicaci\u00f3n contin\u00fae con la verificaci\u00f3n del certificado a pesar de no poder construir una ruta a un emisor confiable. Un atacante puede crear una direcci\u00f3n de correo electr\u00f3nico maliciosa para desbordar cuatro bytes en la pila de memoria controlados por el atacante. Este desbordamiento del b\u00fafer podr\u00eda provocar un bloqueo (provocando una denegaci\u00f3n de servicio) o una potencial ejecuci\u00f3n remota de c\u00f3digo. Muchas plataformas implementan protecciones contra el desbordamiento de la pila de memoria que mitigar\u00edan el riesgo de ejecuci\u00f3n remota de c\u00f3digo. El riesgo puede mitigarse, a\u00fan m\u00e1s, seg\u00fan el dise\u00f1o de la pila de memoria para cualquier plataforma/compilador determinado. Los anuncios previos de CVE-2022-3602 describieron este problema como CR\u00cdTICO. Un an\u00e1lisis m\u00e1s detallado basado en algunos de los factores mitigantes descritos anteriormente ha llevado a que esto se rebaje a ALTO. A\u00fan se recomienda a los usuarios que actualicen a una nueva versi\u00f3n lo antes posible. En un cliente TLS, esto se puede desencadenar conect\u00e1ndose a un servidor malicioso. En un servidor TLS, esto se puede activar si el servidor solicita la autenticaci\u00f3n del cliente y se conecta un cliente malintencionado. Corregido en OpenSSL 3.0.7 (Afectado 3.0.0,3.0.1,3.0.2,3.0.3,3.0.4,3.0.5,3.0.6)."}], "id": "CVE-2022-3602", "lastModified": "2026-06-17T04:59:49.620", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-3602", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-23T13:26:56.588972Z", "version": "2.0.3"}}]}, "published": "2022-11-01T18:15:10.983", "references": [{"source": "openssl-security@openssl.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/169687/OpenSSL-Security-Advisory-20221101.html"}, {"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/15"}, {"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/16"}, {"source": 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Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWP23EZYOBDJQP7HP4YU7W2ABU2YDITS/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0023"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202211-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20221102-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-W9sdCc2a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00789.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.kb.cert.org/vuls/id/794340"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.openssl.org/news/secadv/20221101.txt"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-408105.html"}], "sourceIdentifier": "openssl-security@openssl.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"acknowledgement": "Upstream acknowledges the OpenSSL project (Polar Bear) as the original reporter.", "affected_release": [{"advisory": "RHSA-2022:7288", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "openssl-1:3.0.1-43.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-01T00:00:00Z"}, {"advisory": "RHSA-2022:7384", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "rhel9/openssl:9.0-25", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-02T00:00:00Z"}, {"advisory": "RHSA-2022:7384", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "ubi9/openssl:9.0-25", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-02T00:00:00Z"}, {"advisory": "RHSA-2022:7288", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "openssl-1:3.0.1-43.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-01T00:00:00Z"}], "bugzilla": {"description": "OpenSSL: X.509 Email Address Buffer Overflow", "id": "2137723", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2137723"}, "csaw": true, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-119->CWE-121", "details": ["A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address to overflow four attacker-controlled bytes on the stack. This buffer overflow could result in a crash (causing a denial of service) or potentially remote code execution. Many platforms implement stack overflow protections which would mitigate against the risk of remote code execution. The risk may be further mitigated based on stack layout for any given platform/compiler. Pre-announcements of CVE-2022-3602 described this issue as CRITICAL. Further analysis based on some of the mitigating factors described above have led this to be downgraded to HIGH. Users are still encouraged to upgrade to a new version as soon as possible. In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects. Fixed in OpenSSL 3.0.7 (Affected 3.0.0,3.0.1,3.0.2,3.0.3,3.0.4,3.0.5,3.0.6).", "A stack-based buffer overflow was found in the way OpenSSL processes X.509 certificates with a specially crafted email address field. This issue could cause a server or a client application compiled with OpenSSL to crash when trying to process the malicious certificate."], "name": "CVE-2022-3602", "package_state": [{"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/management-ingress-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openssl098e", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "openssl098e", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "ovmf", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "compat-openssl10", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "edk2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "shim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "compat-openssl11", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "edk2", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "shim", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "jbcs-httpd24-openssl", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Web Server 3"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Web Server 5"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}], "public_date": "2022-11-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-3602\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-3602\nhttps://www.openssl.org/blog/blog/2022/11/01/email-address-overflows/\nhttps://www.openssl.org/news/secadv/20221101.txt"], "statement": "As per upstream, the most common situation where this can be triggered is when a server requests client authentication after a malicious client connects. A client connecting to a malicious server is also believed to be vulnerable in the same manner. Only OpenSSL versions 3.0.0 to 3.0.6 are vulnerable to this attack.\nThe OpenSSL binaries in Red Hat Enterprise Linux 9 are compiled with Stack Smashing Protection. Also during the build process, the compiler rearranges the variables in a way that the buffer overflow is only able to overwrite the stack canaries, limiting the maximum impact of this flaw to denial of service. Remote code execution may not be possible in such cases.\nRed Hat OpenStack Platform 17 does not ship OpenSSL and is not directly affected by the flaw. However, container images which product ship are of RHEL 9 which were affected. RHOSP have fixed this by respining container images through the following errata: https://access.redhat.com/errata/RHBA-2022:7429", "threat_severity": "Important"}

{}