CVE-2023-3446

{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2023-3446", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "state": "PUBLISHED", "assignerShortName": "openssl", "dateReserved": "2023-06-28T14:21:39.968Z", "datePublished": "2023-07-19T11:31:34.994Z", "dateUpdated": "2026-10-14T20:55:30.042Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "OpenSSL", "vendor": "OpenSSL", "versions": [{"lessThan": "3.1.2", "status": "affected", "version": "3.1.0", "versionType": "semver"}, {"lessThan": "3.0.10", "status": "affected", "version": "3.0.0", "versionType": "semver"}, {"lessThan": "1.1.1v", "status": "affected", "version": "1.1.1", "versionType": "custom"}, {"lessThan": "1.0.2zi", "status": "affected", "version": "1.0.2", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "reporter", "user": "00000000-0000-4000-9000-000000000000", "value": "OSSfuzz"}, {"lang": "en", "type": "remediation developer", "user": "00000000-0000-4000-9000-000000000000", "value": "Matt Caswell"}], "datePublic": "2023-07-13T00:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Issue summary: Checking excessively long DH keys or parameters may be very slow.<br><br>Impact summary: Applications that use the functions DH_check(), DH_check_ex()<br>or EVP_PKEY_param_check() to check a DH key or DH parameters may experience long<br>delays. Where the key or parameters that are being checked have been obtained<br>from an untrusted source this may lead to a Denial of Service.<br><br>The function DH_check() performs various checks on DH parameters. One of those<br>checks confirms that the modulus ('p' parameter) is not too large. Trying to use<br>a very large modulus is slow and OpenSSL will not normally use a modulus which<br>is over 10,000 bits in length.<br><br>However the DH_check() function checks numerous aspects of the key or parameters<br>that have been supplied. Some of those checks use the supplied modulus value<br>even if it has already been found to be too large.<br><br>An application that calls DH_check() and supplies a key or parameters obtained<br>from an untrusted source could be vulernable to a Denial of Service attack.<br><br>The function DH_check() is itself called by a number of other OpenSSL functions.<br>An application calling any of those other functions may similarly be affected.<br>The other functions affected by this are DH_check_ex() and<br>EVP_PKEY_param_check().<br><br>Also vulnerable are the OpenSSL dhparam and pkeyparam command line applications<br>when using the '-check' option.<br><br>The OpenSSL SSL/TLS implementation is not affected by this issue.<br><br>The OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue."}], "value": "Issue summary: Checking excessively long DH keys or parameters may be very slow.\n\nImpact summary: Applications that use the functions DH_check(), DH_check_ex()\nor EVP_PKEY_param_check() to check a DH key or DH parameters may experience long\ndelays. Where the key or parameters that are being checked have been obtained\nfrom an untrusted source this may lead to a Denial of Service.\n\nThe function DH_check() performs various checks on DH parameters. One of those\nchecks confirms that the modulus ('p' parameter) is not too large. Trying to use\na very large modulus is slow and OpenSSL will not normally use a modulus which\nis over 10,000 bits in length.\n\nHowever the DH_check() function checks numerous aspects of the key or parameters\nthat have been supplied. Some of those checks use the supplied modulus value\neven if it has already been found to be too large.\n\nAn application that calls DH_check() and supplies a key or parameters obtained\nfrom an untrusted source could be vulernable to a Denial of Service attack.\n\nThe function DH_check() is itself called by a number of other OpenSSL functions.\nAn application calling any of those other functions may similarly be affected.\nThe other functions affected by this are DH_check_ex() and\nEVP_PKEY_param_check().\n\nAlso vulnerable are the OpenSSL dhparam and pkeyparam command line applications\nwhen using the '-check' option.\n\nThe OpenSSL SSL/TLS implementation is not affected by this issue.\nThe OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue."}], "metrics": [{"format": "other", "other": {"content": {"text": "Low"}, "type": "https://www.openssl.org/policies/secpolicy.html"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-606", "description": "CWE-606 Unchecked Input 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Where the key or parameters that are being checked have been obtained\nfrom an untrusted source this may lead to a Denial of Service.\n\nThe function DH_check() performs various checks on DH parameters. One of those\nchecks confirms that the modulus ('p' parameter) is not too large. Trying to use\na very large modulus is slow and OpenSSL will not normally use a modulus which\nis over 10,000 bits in length.\n\nHowever the DH_check() function checks numerous aspects of the key or parameters\nthat have been supplied. Some of those checks use the supplied modulus value\neven if it has already been found to be too large.\n\nAn application that calls DH_check() and supplies a key or parameters obtained\nfrom an untrusted source could be vulernable to a Denial of Service attack.\n\nThe function DH_check() is itself called by a number of other OpenSSL functions.\nAn application calling any of those other functions may similarly be affected.\nThe other functions affected by this are DH_check_ex() and\nEVP_PKEY_param_check().\n\nAlso vulnerable are the OpenSSL dhparam and pkeyparam command line applications\nwhen using the '-check' option.\n\nThe OpenSSL SSL/TLS implementation is not affected by this issue.\nThe OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue.", "supportingMedia": [{"type": "text/html", "value": "Issue summary: Checking excessively long DH keys or parameters may be very slow.<br><br>Impact summary: Applications that use the functions DH_check(), DH_check_ex()<br>or EVP_PKEY_param_check() to check a DH key or DH parameters may experience long<br>delays. Where the key or parameters that are being checked have been obtained<br>from an untrusted source this may lead to a Denial of Service.<br><br>The function DH_check() performs various checks on DH parameters. One of those<br>checks confirms that the modulus ('p' parameter) is not too large. Trying to use<br>a very large modulus is slow and OpenSSL will not normally use a modulus which<br>is over 10,000 bits in length.<br><br>However the DH_check() function checks numerous aspects of the key or parameters<br>that have been supplied. Some of those checks use the supplied modulus value<br>even if it has already been found to be too large.<br><br>An application that calls DH_check() and supplies a key or parameters obtained<br>from an untrusted source could be vulernable to a Denial of Service attack.<br><br>The function DH_check() is itself called by a number of other OpenSSL functions.<br>An application calling any of those other functions may similarly be affected.<br>The other functions affected by this are DH_check_ex() and<br>EVP_PKEY_param_check().<br><br>Also vulnerable are the OpenSSL dhparam and pkeyparam command line applications<br>when using the '-check' option.<br><br>The OpenSSL SSL/TLS implementation is not affected by this issue.<br><br>The OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-606", "description": "CWE-606 Unchecked Input for Loop Condition"}]}], "providerMetadata": {"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "shortName": "openssl", "dateUpdated": "2024-10-14T14:55:47.238Z"}}}, "cveMetadata": {"cveId": "CVE-2023-3446", "state": "PUBLISHED", "dateUpdated": "2025-04-23T16:20:00.400Z", "dateReserved": "2023-06-28T14:21:39.968Z", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "datePublished": "2023-07-19T11:31:34.994Z", "assignerShortName": "openssl"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "OpenSSL", "vendor": "OpenSSL", "versions": [{"lessThan": "3.1.2", "status": "affected", "version": "3.1.0", "versionType": "semver"}, {"lessThan": "3.0.10", "status": "affected", "version": "3.0.0", "versionType": "semver"}, {"lessThan": "1.1.1v", "status": "affected", "version": "1.1.1", "versionType": "custom"}, {"lessThan": "1.0.2zi", "status": "affected", "version": "1.0.2", "versionType": "custom"}]}], "source": "openssl-security@openssl.org"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIDIS Prime", "vendor": "Siemens", "versions": [{"lessThan": "V4.0.700", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "V1.1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:1.0.2:-:*:*:*:*:*:*", "matchCriteriaId": "CF0E6EB1-D656-458E-82B6-8C1ABDC13CB9", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:1.1.1:-:*:*:*:*:*:*", "matchCriteriaId": "A8C84061-63BE-49F6-B2F0-D96847E755E0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:3.0.0:-:*:*:*:*:*:*", "matchCriteriaId": "07D64A21-359E-40B7-8636-7E76D7466263", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:3.1.0:-:*:*:*:*:*:*", "matchCriteriaId": "0CAAEE49-4FD0-4162-B635-4488BEC5DDC9", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:3.1.1:-:*:*:*:*:*:*", "matchCriteriaId": "69EAFE3B-C2C7-4092-92A8-529512438B06", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Issue summary: Checking excessively long DH keys or parameters may be very slow.\n\nImpact summary: Applications that use the functions DH_check(), DH_check_ex()\nor EVP_PKEY_param_check() to check a DH key or DH parameters may experience long\ndelays. Where the key or parameters that are being checked have been obtained\nfrom an untrusted source this may lead to a Denial of Service.\n\nThe function DH_check() performs various checks on DH parameters. One of those\nchecks confirms that the modulus ('p' parameter) is not too large. Trying to use\na very large modulus is slow and OpenSSL will not normally use a modulus which\nis over 10,000 bits in length.\n\nHowever the DH_check() function checks numerous aspects of the key or parameters\nthat have been supplied. Some of those checks use the supplied modulus value\neven if it has already been found to be too large.\n\nAn application that calls DH_check() and supplies a key or parameters obtained\nfrom an untrusted source could be vulernable to a Denial of Service attack.\n\nThe function DH_check() is itself called by a number of other OpenSSL functions.\nAn application calling any of those other functions may similarly be affected.\nThe other functions affected by this are DH_check_ex() and\nEVP_PKEY_param_check().\n\nAlso vulnerable are the OpenSSL dhparam and pkeyparam command line applications\nwhen using the '-check' option.\n\nThe OpenSSL SSL/TLS implementation is not affected by this issue.\nThe OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue."}], "id": "CVE-2023-3446", "lastModified": "2026-10-14T21:17:16.863", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-3446", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-23T13:26:22.087194Z", "version": "2.0.3"}}]}, "published": "2023-07-19T12:15:10.003", "references": [{"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=1fa20cf2f506113c761777127a38bce5068740eb"}, {"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=8780a896543a654e757db1b9396383f9d8095528"}, {"source": "openssl-security@openssl.org", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9a0a4d3c1e7138915563c0df4fe6a3f9377b839c"}, {"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=fc9867c1e03c22ebf56943be205202e576aabf23"}, {"source": "openssl-security@openssl.org", "tags": ["Vendor Advisory"], "url": "https://www.openssl.org/news/secadv/20230719.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2023/07/19/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2023/07/19/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2023/07/19/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2023/07/31/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2024/05/16/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=1fa20cf2f506113c761777127a38bce5068740eb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=8780a896543a654e757db1b9396383f9d8095528"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9a0a4d3c1e7138915563c0df4fe6a3f9377b839c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=fc9867c1e03c22ebf56943be205202e576aabf23"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00019.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202402-08"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20230803-0011/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.openssl.org/news/secadv/20230719.txt"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-099606.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-277137.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-341067.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-556635.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-769027.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-794697.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-915275.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-943925.html"}], "sourceIdentifier": "openssl-security@openssl.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-606"}], "source": "openssl-security@openssl.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-1333"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:7625", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-openssl-1:1.1.1k-16.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7625", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-openssl-1:1.1.1k-16.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2024:0888", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "edk2-0:20220126gitbb1bba3d77-6.el8_9.3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-02-20T00:00:00Z"}, {"advisory": "RHSA-2023:7877", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "openssl-1:1.1.1k-12.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-12-19T00:00:00Z"}, {"advisory": "RHSA-2024:0408", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "edk2-0:20220126gitbb1bba3d77-2.el8_6.2", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-25T00:00:00Z"}, {"advisory": "RHSA-2024:0208", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "openssl-1:1.1.1k-12.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-11T00:00:00Z"}, {"advisory": "RHSA-2024:1415", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "edk2-0:20220126gitbb1bba3d77-4.el8_8.3", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:0154", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "openssl-1:1.1.1k-12.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-01-10T00:00:00Z"}, {"advisory": "RHSA-2024:2264", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "edk2-0:20231122-6.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:2447", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "openssl-1:3.0.7-27.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:2447", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "openssl-1:3.0.7-27.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2023:7623", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.7", "package": "openssl", "product_name": "Red Hat JBoss Web Server 5", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7622", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.7::el7", "package": "jws5-tomcat-native-0:1.2.31-16.redhat_16.el7jws", "product_name": "Red Hat JBoss Web Server 5.7 on RHEL 7", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7622", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.7::el8", "package": "jws5-tomcat-native-0:1.2.31-16.redhat_16.el8jws", "product_name": "Red Hat JBoss Web Server 5.7 on RHEL 8", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7622", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.7::el9", "package": "jws5-tomcat-native-0:1.2.31-16.redhat_16.el9jws", "product_name": "Red Hat JBoss Web Server 5.7 on RHEL 9", "release_date": "2023-12-07T00:00:00Z"}, {"advisory": "RHSA-2023:7626", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "openssl", "product_name": "Text-Only JBCS", "release_date": "2023-12-07T00:00:00Z"}], "bugzilla": {"description": "openssl: Excessive time spent checking DH keys and parameters", "id": "2224962", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2224962"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-400", "details": ["Issue summary: Checking excessively long DH keys or parameters may be very slow.\nImpact summary: Applications that use the functions DH_check(), DH_check_ex()\nor EVP_PKEY_param_check() to check a DH key or DH parameters may experience long\ndelays. Where the key or parameters that are being checked have been obtained\nfrom an untrusted source this may lead to a Denial of Service.\nThe function DH_check() performs various checks on DH parameters. One of those\nchecks confirms that the modulus ('p' parameter) is not too large. Trying to use\na very large modulus is slow and OpenSSL will not normally use a modulus which\nis over 10,000 bits in length.\nHowever the DH_check() function checks numerous aspects of the key or parameters\nthat have been supplied. Some of those checks use the supplied modulus value\neven if it has already been found to be too large.\nAn application that calls DH_check() and supplies a key or parameters obtained\nfrom an untrusted source could be vulernable to a Denial of Service attack.\nThe function DH_check() is itself called by a number of other OpenSSL functions.\nAn application calling any of those other functions may similarly be affected.\nThe other functions affected by this are DH_check_ex() and\nEVP_PKEY_param_check().\nAlso vulnerable are the OpenSSL dhparam and pkeyparam command line applications\nwhen using the '-check' option.\nThe OpenSSL SSL/TLS implementation is not affected by this issue.\nThe OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue.", "A vulnerability was found in OpenSSL. This security flaw occurs because the applications that use the DH_check(), DH_check_ex(), or EVP_PKEY_param_check() functions to check a DH key or DH parameters may experience long delays. Where the key or parameters that are being checked have been obtained from an untrusted source may lead to a denial of service."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-3446", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ovmf", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "compat-openssl10", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "mingw-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:8", "fix_state": "Not affected", "package_name": "shim-unsigned-x64", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "compat-openssl11", "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"}], "public_date": "2023-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3446\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3446\nhttps://www.openssl.org/news/secadv/20230719.txt"], "statement": "The CVE-2023-3446 vulnerability in OpenSSL has been classified as having a low impact due to several factors. Firstly, while the potential for a Denial of Service (DoS) attack exists, it requires specific conditions to be met, notably the use of DH_check(), DH_check_ex(), or EVP_PKEY_param_check() functions with DH keys or parameters obtained from untrusted sources. Secondly, the issue primarily affects the efficiency of key and parameter checks, rather than directly compromising the security or integrity of cryptographic operations. Given these considerations and the absence of widespread exploitation or significant consequences beyond performance degradation, the overall impact of this vulnerability is deemed low rather than moderate.", "threat_severity": "Low"}

{}