CVE-2023-1255

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The AES-XTS algorithm is usually<br>used for disk encryption.<br><br>The AES-XTS cipher decryption implementation for 64 bit ARM platform will read<br>past the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16<br>byte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext<br>buffer is unmapped, this will trigger a crash which results in a denial of<br>service.<br><br>If an attacker can control the size and location of the ciphertext buffer<br>being decrypted by an application using AES-XTS on 64 bit ARM, the<br>application is affected. This is fairly unlikely making this issue<br>a Low severity one."}], "value": "Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM\nplatform contains a bug that could cause it to read past the input buffer,\nleading to a crash.\n\nImpact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM\nplatform can crash in rare circumstances. The AES-XTS algorithm is usually\nused for disk encryption.\n\nThe AES-XTS cipher decryption implementation for 64 bit ARM platform will read\npast the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16\nbyte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext\nbuffer is unmapped, this will trigger a crash which results in a denial of\nservice.\n\nIf an attacker can control the size and location of the ciphertext buffer\nbeing decrypted by an application using AES-XTS on 64 bit ARM, the\napplication is affected. This is fairly unlikely making this issue\na Low severity one."}], "metrics": [{"format": "other", "other": {"content": {"text": "Low"}, "type": "https://www.openssl.org/policies/secpolicy.html"}}], "problemTypes": [{"descriptions": [{"description": "buffer over-read", "lang": "en"}]}], "providerMetadata": {"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "shortName": "openssl", "dateUpdated": "2023-09-08T16:06:36.509Z"}, "references": [{"name": "OpenSSL Advisory", "tags": ["vendor-advisory"], "url": "https://www.openssl.org/news/secadv/20230419.txt"}, {"name": "3.1.1 git commit", "tags": ["patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bc2f61ad70971869b242fc1cb445b98bad50074a"}, {"name": "3.0.9 git commit", "tags": ["patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=02ac9c9420275868472f33b01def01218742b8bb"}, {"url": "https://security.netapp.com/advisory/ntap-20230908-0006/"}], "source": {"discovery": "UNKNOWN"}, "title": "Input buffer over-read in AES-XTS implementation on 64 bit ARM", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T05:40:59.617Z"}, "title": "CVE Program Container", "references": [{"name": "OpenSSL Advisory", "tags": ["vendor-advisory", "x_transferred"], "url": "https://www.openssl.org/news/secadv/20230419.txt"}, {"name": "3.1.1 git commit", "tags": ["patch", "x_transferred"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bc2f61ad70971869b242fc1cb445b98bad50074a"}, {"name": "3.0.9 git commit", "tags": ["patch", "x_transferred"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=02ac9c9420275868472f33b01def01218742b8bb"}, {"url": "https://security.netapp.com/advisory/ntap-20230908-0006/", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-125", "lang": "en", "description": "CWE-125 Out-of-bounds Read"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-02-04T21:14:55.272222Z", "id": "CVE-2023-1255", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-04T21:16:24.506Z"}}]}}

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The AES-XTS algorithm is usually\nused for disk encryption.\n\nThe AES-XTS cipher decryption implementation for 64 bit ARM platform will read\npast the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16\nbyte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext\nbuffer is unmapped, this will trigger a crash which results in a denial of\nservice.\n\nIf an attacker can control the size and location of the ciphertext buffer\nbeing decrypted by an application using AES-XTS on 64 bit ARM, the\napplication is affected. This is fairly unlikely making this issue\na Low severity one.", "supportingMedia": [{"type": "text/html", "value": "Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM<br>platform contains a bug that could cause it to read past the input buffer,<br>leading to a crash.<br><br>Impact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM<br>platform can crash in rare circumstances. The AES-XTS algorithm is usually<br>used for disk encryption.<br><br>The AES-XTS cipher decryption implementation for 64 bit ARM platform will read<br>past the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16<br>byte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext<br>buffer is unmapped, this will trigger a crash which results in a denial of<br>service.<br><br>If an attacker can control the size and location of the ciphertext buffer<br>being decrypted by an application using AES-XTS on 64 bit ARM, the<br>application is affected. This is fairly unlikely making this issue<br>a Low severity one.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "buffer over-read"}]}], "providerMetadata": {"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "shortName": "openssl", "dateUpdated": "2023-09-08T16:06:36.509Z"}}}, "cveMetadata": {"cveId": "CVE-2023-1255", "state": "PUBLISHED", "dateUpdated": "2025-02-13T16:39:19.031Z", "dateReserved": "2023-03-07T14:56:07.099Z", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "datePublished": "2023-04-20T16:14:54.707Z", "assignerShortName": "openssl"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "OpenSSL", "vendor": "OpenSSL", "versions": [{"lessThan": "3.1.1", "status": "affected", "version": "3.1.0", "versionType": "semver"}, {"lessThan": "3.0.9", "status": "affected", "version": "3.0.0", "versionType": "semver"}]}], "source": "openssl-security@openssl.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C637E94-F5EC-4D4B-836F-8C8219F1ECEC", "versionEndExcluding": "3.0.9", "versionStartIncluding": "3.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "68821BE0-7889-48B0-888D-CEC8BB9BDEA9", "versionEndExcluding": "3.1.1", "versionStartIncluding": "3.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM\nplatform contains a bug that could cause it to read past the input buffer,\nleading to a crash.\n\nImpact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM\nplatform can crash in rare circumstances. The AES-XTS algorithm is usually\nused for disk encryption.\n\nThe AES-XTS cipher decryption implementation for 64 bit ARM platform will read\npast the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16\nbyte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext\nbuffer is unmapped, this will trigger a crash which results in a denial of\nservice.\n\nIf an attacker can control the size and location of the ciphertext buffer\nbeing decrypted by an application using AES-XTS on 64 bit ARM, the\napplication is affected. This is fairly unlikely making this issue\na Low severity one."}], "id": "CVE-2023-1255", "lastModified": "2026-06-17T05:27:28.607", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-1255", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-02-04T21:14:55.272222Z", "version": "2.0.3"}}]}, "published": "2023-04-20T17:15:06.883", "references": [{"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=02ac9c9420275868472f33b01def01218742b8bb"}, {"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bc2f61ad70971869b242fc1cb445b98bad50074a"}, {"source": "openssl-security@openssl.org", "url": "https://security.netapp.com/advisory/ntap-20230908-0006/"}, {"source": "openssl-security@openssl.org", "tags": ["Broken Link"], "url": "https://www.openssl.org/news/secadv/20230419.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=02ac9c9420275868472f33b01def01218742b8bb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bc2f61ad70971869b242fc1cb445b98bad50074a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20230908-0006/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://www.openssl.org/news/secadv/20230419.txt"}], "sourceIdentifier": "openssl-security@openssl.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:3722", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "openssl-1:3.0.7-16.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-06-21T00:00:00Z"}, {"advisory": "RHSA-2023:3722", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "openssl-1:3.0.7-16.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-06-21T00:00:00Z"}], "bugzilla": {"description": "openssl: Input buffer over-read in AES-XTS implementation on 64 bit ARM", "id": "2188461", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2188461"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-119", "details": ["Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM\nplatform contains a bug that could cause it to read past the input buffer,\nleading to a crash.\nImpact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM\nplatform can crash in rare circumstances. The AES-XTS algorithm is usually\nused for disk encryption.\nThe AES-XTS cipher decryption implementation for 64 bit ARM platform will read\npast the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16\nbyte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext\nbuffer is unmapped, this will trigger a crash which results in a denial of\nservice.\nIf an attacker can control the size and location of the ciphertext buffer\nbeing decrypted by an application using AES-XTS on 64 bit ARM, the\napplication is affected. This is fairly unlikely making this issue\na Low severity one.", "A vulnerability was found in OpenSSL. This security flaw occurs because the AES-XTS cipher decryption implementation for the 64-bit ARM platform contains an issue that could cause it to read past the input buffer, leading to a crash."], "name": "CVE-2023-1255", "package_state": [{"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: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": "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": "openssl", "product_name": "Red Hat JBoss Core Services"}, {"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"}], "public_date": "2023-04-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-1255\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-1255\nhttps://www.openssl.org/news/secadv/20230420.txt"], "statement": "Applications that use the AES-XTS algorithm on the 64-bit ARM platform can crash in rare circumstances. The AES-XTS algorithm is usually for disk encryption.\nThe AES-XTS cipher decryption implementation for 64 bit ARM platform will read past the end of the ciphertext buffer if the ciphertext size is 4 mod 5, for example, 144 bytes or 1024 bytes. If the memory after the ciphertext buffer is unmapped, this will trigger a crash, resulting in a denial of service. \nThe application is affected if an attacker can control the size and location of the ciphertext buffer being decrypted by an application using AES-XTS on 64-bit ARM. This is fairly unlikely, making this issue a Low severity one.", "threat_severity": "Low"}

{}