CVE-2023-6129
Vulnerability from cvelistv5
Published
2024-01-09 16:36
Modified
2024-10-14 14:55
Severity ?
Summary
Issue summary: The POLY1305 MAC (message authentication code) implementation contains a bug that might corrupt the internal state of applications running on PowerPC CPU based platforms if the CPU provides vector instructions. Impact summary: If an attacker can influence whether the POLY1305 MAC algorithm is used, the application state might be corrupted with various application dependent consequences. The POLY1305 MAC (message authentication code) implementation in OpenSSL for PowerPC CPUs restores the contents of vector registers in a different order than they are saved. Thus the contents of some of these vector registers are corrupted when returning to the caller. The vulnerable code is used only on newer PowerPC processors supporting the PowerISA 2.07 instructions. The consequences of this kind of internal application state corruption can be various - from no consequences, if the calling application does not depend on the contents of non-volatile XMM registers at all, to the worst consequences, where the attacker could get complete control of the application process. However unless the compiler uses the vector registers for storing pointers, the most likely consequence, if any, would be an incorrect result of some application dependent calculations or a crash leading to a denial of service. The POLY1305 MAC algorithm is most frequently used as part of the CHACHA20-POLY1305 AEAD (authenticated encryption with associated data) algorithm. The most common usage of this AEAD cipher is with TLS protocol versions 1.2 and 1.3. If this cipher is enabled on the server a malicious client can influence whether this AEAD cipher is used. This implies that TLS server applications using OpenSSL can be potentially impacted. However we are currently not aware of any concrete application that would be affected by this issue therefore we consider this a Low severity security issue.
References
openssl-security@openssl.orghttps://github.com/openssl/openssl/commit/050d26383d4e264966fb83428e72d5d48f402d35Patch
openssl-security@openssl.orghttps://github.com/openssl/openssl/commit/5b139f95c9a47a55a0c54100f3837b1eee942b04Patch
openssl-security@openssl.orghttps://github.com/openssl/openssl/commit/f3fc5808fe9ff74042d639839610d03b8fdcc015Patch
openssl-security@openssl.orghttps://www.openssl.org/news/secadv/20240109.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/03/11/1
af854a3a-2127-422b-91ae-364da2661108https://github.com/openssl/openssl/commit/050d26383d4e264966fb83428e72d5d48f402d35Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/openssl/openssl/commit/5b139f95c9a47a55a0c54100f3837b1eee942b04Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/openssl/openssl/commit/f3fc5808fe9ff74042d639839610d03b8fdcc015Patch
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240216-0009/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240426-0008/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240426-0013/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240503-0011/
af854a3a-2127-422b-91ae-364da2661108https://www.openssl.org/news/secadv/20240109.txtVendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-6129\",\"sourceIdentifier\":\"openssl-security@openssl.org\",\"published\":\"2024-01-09T17:15:12.147\",\"lastModified\":\"2024-11-21T08:43:11.507\",\"vulnStatus\":\"Modified\",\"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. 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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. 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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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"openssl-security@openssl.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-440\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.0.0\",\"versionEndIncluding\":\"3.0.12\",\"matchCriteriaId\":\"E74FD809-31DE-4F31-82D6-6D71DF453A03\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.1.0\",\"versionEndIncluding\":\"3.1.4\",\"matchCriteriaId\":\"28DDD110-1559-46F9-A62B-1B4648F83933\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:3.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"92B2CAA8-D3C8-4789-8B6A-D6FC6C294842\"}]}]}],\"references\":[{\"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\":[\"Patch\"]},{\"url\":\"https://www.openssl.org/news/secadv/20240109.txt\",\"source\":\"openssl-security@openssl.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/03/11/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"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\",\"tags\":[\"Patch\"]},{\"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\"},{\"url\":\"https://www.openssl.org/news/secadv/20240109.txt\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
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}


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