{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-6129", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "state": "PUBLISHED", "assignerShortName": "openssl", "dateReserved": "2023-11-14T16:12:12.656Z", "datePublished": "2024-01-09T16:36:58.860Z", "dateUpdated": "2025-06-20T15:28:07.908Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "OpenSSL", "vendor": "OpenSSL", "versions": [{"lessThan": "3.2.1", "status": "affected", "version": "3.2.0", "versionType": "semver"}, {"lessThan": "3.1.5", "status": "affected", "version": "3.1.0", "versionType": "semver"}, {"lessThan": "3.0.13", "status": "affected", "version": "3.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Sverker Eriksson"}, {"lang": "en", "type": "remediation developer", "user": "00000000-0000-4000-9000-000000000000", "value": "Rohan McLure"}], "datePublic": "2024-01-09T00:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Issue summary: The POLY1305 MAC (message authentication code) implementation<br>contains a bug that might corrupt the internal state of applications running<br>on PowerPC CPU based platforms if the CPU provides vector instructions.<br><br>Impact summary: If an attacker can influence whether the POLY1305 MAC<br>algorithm is used, the application state might be corrupted with various<br>application dependent consequences.<br><br>The POLY1305 MAC (message authentication code) implementation in OpenSSL for<br>PowerPC CPUs restores the contents of vector registers in a different order<br>than they are saved. Thus the contents of some of these vector registers<br>are corrupted when returning to the caller. The vulnerable code is used only<br>on newer PowerPC processors supporting the PowerISA 2.07 instructions.<br><br>The consequences of this kind of internal application state corruption can<br>be various - from no consequences, if the calling application does not<br>depend on the contents of non-volatile XMM registers at all, to the worst<br>consequences, where the attacker could get complete control of the application<br>process. However unless the compiler uses the vector registers for storing<br>pointers, the most likely consequence, if any, would be an incorrect result<br>of some application dependent calculations or a crash leading to a denial of<br>service.<br><br>The POLY1305 MAC algorithm is most frequently used as part of the<br>CHACHA20-POLY1305 AEAD (authenticated encryption with associated data)<br>algorithm. 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Thus the contents of some of these vector registers\nare corrupted when returning to the caller. The vulnerable code is used only\non newer PowerPC processors supporting the PowerISA 2.07 instructions.\n\nThe consequences of this kind of internal application state corruption can\nbe various - from no consequences, if the calling application does not\ndepend on the contents of non-volatile XMM registers at all, to the worst\nconsequences, where the attacker could get complete control of the application\nprocess. However unless the compiler uses the vector registers for storing\npointers, the most likely consequence, if any, would be an incorrect result\nof some application dependent calculations or a crash leading to a denial of\nservice.\n\nThe POLY1305 MAC algorithm is most frequently used as part of the\nCHACHA20-POLY1305 AEAD (authenticated encryption with associated data)\nalgorithm. The most common usage of this AEAD cipher is with TLS protocol\nversions 1.2 and 1.3. 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "E74FD809-31DE-4F31-82D6-6D71DF453A03", "versionEndIncluding": "3.0.12", "versionStartIncluding": "3.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "28DDD110-1559-46F9-A62B-1B4648F83933", "versionEndIncluding": "3.1.4", "versionStartIncluding": "3.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:3.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "92B2CAA8-D3C8-4789-8B6A-D6FC6C294842", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Issue summary: The POLY1305 MAC (message authentication code) implementation\ncontains a bug that might corrupt the internal state of applications running\non PowerPC CPU based platforms if the CPU provides vector instructions.\n\nImpact summary: If an attacker can influence whether the POLY1305 MAC\nalgorithm is used, the application state might be corrupted with various\napplication dependent consequences.\n\nThe POLY1305 MAC (message authentication code) implementation in OpenSSL for\nPowerPC CPUs restores the contents of vector registers in a different order\nthan they are saved. Thus the contents of some of these vector registers\nare corrupted when returning to the caller. The vulnerable code is used only\non newer PowerPC processors supporting the PowerISA 2.07 instructions.\n\nThe consequences of this kind of internal application state corruption can\nbe various - from no consequences, if the calling application does not\ndepend on the contents of non-volatile XMM registers at all, to the worst\nconsequences, where the attacker could get complete control of the application\nprocess. However unless the compiler uses the vector registers for storing\npointers, the most likely consequence, if any, would be an incorrect result\nof some application dependent calculations or a crash leading to a denial of\nservice.\n\nThe POLY1305 MAC algorithm is most frequently used as part of the\nCHACHA20-POLY1305 AEAD (authenticated encryption with associated data)\nalgorithm. The most common usage of this AEAD cipher is with TLS protocol\nversions 1.2 and 1.3. If this cipher is enabled on the server a malicious\nclient can influence whether this AEAD cipher is used. This implies that\nTLS server applications using OpenSSL can be potentially impacted. However\nwe are currently not aware of any concrete application that would be affected\nby this issue therefore we consider this a Low severity security issue."}, {"lang": "es", "value": "Resumen del problema: la implementaci\u00f3n POLY1305 MAC (c\u00f3digo de autenticaci\u00f3n de mensajes) contiene un error que podr\u00eda da\u00f1ar el estado interno de las aplicaciones que se ejecutan en plataformas basadas en CPU PowerPC si la CPU proporciona instrucciones vectoriales. Resumen del impacto: si un atacante puede influir en el uso del algoritmo MAC POLY1305, el estado de la aplicaci\u00f3n podr\u00eda corromperse con varias consecuencias dependientes de la aplicaci\u00f3n. La implementaci\u00f3n POLY1305 MAC (c\u00f3digo de autenticaci\u00f3n de mensajes) en OpenSSL para CPU PowerPC restaura el contenido de los registros vectoriales en un orden diferente al que se guardan. Por lo tanto, el contenido de algunos de estos registros vectoriales se corrompe cuando regresa al llamante. El c\u00f3digo vulnerable se utiliza s\u00f3lo en procesadores PowerPC m\u00e1s nuevos que admiten las instrucciones PowerISA 2.07. Las consecuencias de este tipo de corrupci\u00f3n del estado de la aplicaci\u00f3n interna pueden ser diversas: desde ninguna consecuencia, si la aplicaci\u00f3n que llama no depende en absoluto del contenido de los registros XMM no vol\u00e1tiles, hasta las peores consecuencias, donde el atacante podr\u00eda obtener el control total de el proceso de solicitud. Sin embargo, a menos que el compilador utilice registros vectoriales para almacenar punteros, la consecuencia m\u00e1s probable, si la hubiera, ser\u00eda un resultado incorrecto de algunos c\u00e1lculos dependientes de la aplicaci\u00f3n o una falla que provocar\u00eda una denegaci\u00f3n de servicio. El algoritmo POLY1305 MAC se utiliza con mayor frecuencia como parte del algoritmo CHACHA20-POLY1305 AEAD (cifrado autenticado con datos asociados). El uso m\u00e1s com\u00fan de este cifrado AEAD es con las versiones 1.2 y 1.3 del protocolo TLS. Si este cifrado est\u00e1 habilitado en el servidor, un cliente malicioso puede influir en si se utiliza este cifrado AEAD. Esto implica que las aplicaciones del servidor TLS que utilizan OpenSSL pueden verse potencialmente afectadas. Sin embargo, actualmente no conocemos ninguna aplicaci\u00f3n concreta que pueda verse afectada por este problema, por lo que lo consideramos un problema de seguridad de gravedad baja."}], "id": "CVE-2023-6129", "lastModified": "2025-06-20T16:15:27.797", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-01-09T17:15:12.147", "references": [{"source": "openssl-security@openssl.org", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/050d26383d4e264966fb83428e72d5d48f402d35"}, {"source": "openssl-security@openssl.org", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/5b139f95c9a47a55a0c54100f3837b1eee942b04"}, {"source": "openssl-security@openssl.org", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/f3fc5808fe9ff74042d639839610d03b8fdcc015"}, {"source": "openssl-security@openssl.org", "tags": ["Vendor Advisory"], "url": "https://www.openssl.org/news/secadv/20240109.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2024/03/11/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/050d26383d4e264966fb83428e72d5d48f402d35"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/5b139f95c9a47a55a0c54100f3837b1eee942b04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/openssl/openssl/commit/f3fc5808fe9ff74042d639839610d03b8fdcc015"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240216-0009/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240426-0008/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240426-0013/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240503-0011/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.openssl.org/news/secadv/20240109.txt"}], "sourceIdentifier": "openssl-security@openssl.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-440"}], "source": "openssl-security@openssl.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"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-2024:9088", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "edk2-0:20240524-6.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"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"}], "bugzilla": {"description": "openssl: POLY1305 MAC implementation corrupts vector registers on PowerPC", "id": "2257571", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2257571"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "verified"}, "cwe": "CWE-328", "details": ["Issue summary: The POLY1305 MAC (message authentication code) implementation\ncontains a bug that might corrupt the internal state of applications running\non PowerPC CPU based platforms if the CPU provides vector instructions.\nImpact summary: If an attacker can influence whether the POLY1305 MAC\nalgorithm is used, the application state might be corrupted with various\napplication dependent consequences.\nThe POLY1305 MAC (message authentication code) implementation in OpenSSL for\nPowerPC CPUs restores the contents of vector registers in a different order\nthan they are saved. Thus the contents of some of these vector registers\nare corrupted when returning to the caller. The vulnerable code is used only\non newer PowerPC processors supporting the PowerISA 2.07 instructions.\nThe consequences of this kind of internal application state corruption can\nbe various - from no consequences, if the calling application does not\ndepend on the contents of non-volatile XMM registers at all, to the worst\nconsequences, where the attacker could get complete control of the application\nprocess. However unless the compiler uses the vector registers for storing\npointers, the most likely consequence, if any, would be an incorrect result\nof some application dependent calculations or a crash leading to a denial of\nservice.\nThe POLY1305 MAC algorithm is most frequently used as part of the\nCHACHA20-POLY1305 AEAD (authenticated encryption with associated data)\nalgorithm. The most common usage of this AEAD cipher is with TLS protocol\nversions 1.2 and 1.3. If this cipher is enabled on the server a malicious\nclient can influence whether this AEAD cipher is used. This implies that\nTLS server applications using OpenSSL can be potentially impacted. However\nwe are currently not aware of any concrete application that would be affected\nby this issue therefore we consider this a Low severity security issue.", "A flaw was found in in the POLY1305 MAC (message authentication code) implementation in OpenSSL, affecting applications running on PowerPC CPU-based platforms that utilize vector instructions, and has the potential to corrupt the internal state of these applications. If an attacker can manipulate the utilization of the POLY1305 MAC algorithm, it may lead to the corruption of the application state, resulting in various application-dependent consequences, often resulting in a crash and leading to a denial of service."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-6129", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "mariadb10.11", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "mysql8.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 6"}, {"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": "Not affected", "package_name": "mariadb", "product_name": "Red Hat Enterprise Linux 7"}, {"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": "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": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mariadb:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mariadb:10.5/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mysql:8.0/mysql", "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": "mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "mariadb:10.11/mariadb", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "mysql", "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:5", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Web Server 5"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-mariadb105-mariadb", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Affected", "package_name": "rh-mysql80-mysql", "product_name": "Red Hat Software Collections"}], "public_date": "2024-01-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-6129\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-6129\nhttps://www.openssl.org/news/secadv/20240109.txt\nhttps://www.openwall.com/lists/oss-security/2024/01/09/1"], "statement": "This vulnerability is categorized as having a Low severity due to the limited scope of its potential impact and the specific conditions required for exploitation. The vulnerability arises in the POLY1305 MAC implementation within OpenSSL on PowerPC CPUs, affecting newer processors supporting PowerISA 2.07 instructions. The issue involves the restoration of vector registers in a different order than they are saved, potentially corrupting application state upon return to the caller. The impact varies, contingent on the application's reliance on non-volatile XMM registers, ranging from incorrect calculations to potential denial of service. However, the practical exploitation of this vulnerability requires an attacker to influence the use of the POLY1305 MAC algorithm. Given the specific conditions needed for exploitation and the absence of concrete instances of affected applications, the overall risk is assessed as low. Additionally, the severity is tempered by the assumption that the most likely outcome is limited to incorrect results in application-dependent calculations or crashes, rather than enabling a full compromise of the application process.", "threat_severity": "Low"}