CVE-2023-6129 (GCVE-0-2023-6129)

Vulnerability from cvelistv5 – Published: 2024-01-09 16:36 – Updated: 2026-05-12 10:36
VLAI
Title
POLY1305 MAC implementation corrupts vector registers on PowerPC
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.
Severity
No CVSS data available.
CWE
  • CWE-440 - Expected Behavior Violation
Assigner
References
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: 3.2.0 , < 3.2.1 (semver)
Affected: 3.1.0 , < 3.1.5 (semver)
Affected: 3.0.0 , < 3.0.13 (semver)
Create a notification for this product.
Date Public
2024-01-09 00:00
Credits
Sverker Eriksson Rohan McLure
Show details on NVD website
To clipboard 

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      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.openssl.org/news/secadv/20240109.txt\", \"name\": \"OpenSSL Advisory\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/5b139f95c9a47a55a0c54100f3837b1eee942b04\", \"name\": \"3.2.1 git commit\", \"tags\": [\"patch\", \"x_transferred\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/f3fc5808fe9ff74042d639839610d03b8fdcc015\", \"name\": \"3.1.5 git commit\", \"tags\": [\"patch\", \"x_transferred\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/050d26383d4e264966fb83428e72d5d48f402d35\", \"name\": \"3.0.13 git commit\", \"tags\": [\"patch\", \"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240216-0009/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240426-0013/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240426-0008/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/03/11/1\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240503-0011/\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T08:21:17.314Z\"}}, {\"affected\": [{\"vendor\": \"Siemens\", \"product\": \"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SINEC NMS\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"V3.0 SP1\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"x_adpType\": \"supplier\", \"references\": [{\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-331112.html\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-915275.html\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-769027.html\"}], \"providerMetadata\": {\"orgId\": \"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\", \"shortName\": \"siemens-SADP\", \"dateUpdated\": \"2026-05-12T10:36:44.839Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-6129\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-01-22T14:31:57.012999Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-06-20T15:28:00.998Z\"}}], \"cna\": {\"title\": \"POLY1305 MAC implementation corrupts vector registers on PowerPC\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"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\"}], \"metrics\": [{\"other\": {\"type\": \"https://www.openssl.org/policies/secpolicy.html\", \"content\": {\"text\": \"Low\"}}, \"format\": \"other\"}], \"affected\": [{\"vendor\": \"OpenSSL\", \"product\": \"OpenSSL\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.2.0\", \"lessThan\": \"3.2.1\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.1.0\", \"lessThan\": \"3.1.5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.0.0\", \"lessThan\": \"3.0.13\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2024-01-09T00:00:00.000Z\", \"references\": [{\"url\": \"https://www.openssl.org/news/secadv/20240109.txt\", \"name\": \"OpenSSL Advisory\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/5b139f95c9a47a55a0c54100f3837b1eee942b04\", \"name\": \"3.2.1 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/f3fc5808fe9ff74042d639839610d03b8fdcc015\", \"name\": \"3.1.5 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/050d26383d4e264966fb83428e72d5d48f402d35\", \"name\": \"3.0.13 git commit\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Issue summary: The POLY1305 MAC (message authentication code) implementation\u003cbr\u003econtains a bug that might corrupt the internal state of applications running\u003cbr\u003eon PowerPC CPU based platforms if the CPU provides vector instructions.\u003cbr\u003e\u003cbr\u003eImpact summary: If an attacker can influence whether the POLY1305 MAC\u003cbr\u003ealgorithm is used, the application state might be corrupted with various\u003cbr\u003eapplication dependent consequences.\u003cbr\u003e\u003cbr\u003eThe POLY1305 MAC (message authentication code) implementation in OpenSSL for\u003cbr\u003ePowerPC CPUs restores the contents of vector registers in a different order\u003cbr\u003ethan they are saved. Thus the contents of some of these vector registers\u003cbr\u003eare corrupted when returning to the caller. The vulnerable code is used only\u003cbr\u003eon newer PowerPC processors supporting the PowerISA 2.07 instructions.\u003cbr\u003e\u003cbr\u003eThe consequences of this kind of internal application state corruption can\u003cbr\u003ebe various - from no consequences, if the calling application does not\u003cbr\u003edepend on the contents of non-volatile XMM registers at all, to the worst\u003cbr\u003econsequences, where the attacker could get complete control of the application\u003cbr\u003eprocess. However unless the compiler uses the vector registers for storing\u003cbr\u003epointers, the most likely consequence, if any, would be an incorrect result\u003cbr\u003eof some application dependent calculations or a crash leading to a denial of\u003cbr\u003eservice.\u003cbr\u003e\u003cbr\u003eThe POLY1305 MAC algorithm is most frequently used as part of the\u003cbr\u003eCHACHA20-POLY1305 AEAD (authenticated encryption with associated data)\u003cbr\u003ealgorithm. The most common usage of this AEAD cipher is with TLS protocol\u003cbr\u003eversions 1.2 and 1.3. If this cipher is enabled on the server a malicious\u003cbr\u003eclient can influence whether this AEAD cipher is used. This implies that\u003cbr\u003eTLS server applications using OpenSSL can be potentially impacted. However\u003cbr\u003ewe are currently not aware of any concrete application that would be affected\u003cbr\u003eby this issue therefore we consider this a Low severity security issue.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-440\", \"description\": \"CWE-440 Expected Behavior Violation\"}]}], \"providerMetadata\": {\"orgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"shortName\": \"openssl\", \"dateUpdated\": \"2024-10-14T14:55:55.315Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-6129\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T10:36:44.839Z\", \"dateReserved\": \"2023-11-14T16:12:12.656Z\", \"assignerOrgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"datePublished\": \"2024-01-09T16:36:58.860Z\", \"assignerShortName\": \"openssl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.