cve-2024-24575
Vulnerability from cvelistv5
Published
2024-02-06 21:27
Modified
2025-02-13 17:40
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Using well-crafted inputs to `git_revparse_single` can cause the function to enter an infinite loop, potentially causing a Denial of Service attack in the calling application. The revparse function in `src/libgit2/revparse.c` uses a loop to parse the user-provided spec string. There is an edge-case during parsing that allows a bad actor to force the loop conditions to access arbitrary memory. Potentially, this could also leak memory if the extracted rev spec is reflected back to the attacker. As such, libgit2 versions before 1.4.0 are not affected. Users should upgrade to version 1.6.5 or 1.7.2.
References
security-advisories@github.comhttps://github.com/libgit2/libgit2/commit/add2dabb3c16aa49b33904dcdc07cd915efc12faPatch
security-advisories@github.comhttps://github.com/libgit2/libgit2/releases/tag/v1.6.5Release Notes
security-advisories@github.comhttps://github.com/libgit2/libgit2/releases/tag/v1.7.2Release Notes
security-advisories@github.comhttps://github.com/libgit2/libgit2/security/advisories/GHSA-54mf-x2rh-hq9vThird Party Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4M3P7WIEPXNRLBINQRJFXUSTNKBCHYC7/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7CNDW3PF6NHO7OXNM5GN6WSSGAMA7MZE/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S635BGHHZUMRPI7QOXOJ45QHDD5FFZ3S/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z6MXOX7I43OWNN7R6M54XLG6U5RXY244/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGNHOEE2RBLH7KCJUPUNYG4CDTW4HTBT/
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/commit/add2dabb3c16aa49b33904dcdc07cd915efc12faPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/releases/tag/v1.6.5Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/releases/tag/v1.7.2Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/security/advisories/GHSA-54mf-x2rh-hq9vThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4M3P7WIEPXNRLBINQRJFXUSTNKBCHYC7/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7CNDW3PF6NHO7OXNM5GN6WSSGAMA7MZE/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S635BGHHZUMRPI7QOXOJ45QHDD5FFZ3S/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z6MXOX7I43OWNN7R6M54XLG6U5RXY244/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGNHOEE2RBLH7KCJUPUNYG4CDTW4HTBT/
Impacted products
Vendor Product Version
libgit2 libgit2 Version: >= 1.4.0, < 1.6.5
Version: >= 1.7.0, < 1.7.2
 Create a notification for this product.
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\"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"libgit2\", \"product\": \"libgit2\", \"versions\": [{\"status\": \"affected\", \"version\": \">= 1.4.0, < 1.6.5\"}, {\"status\": \"affected\", \"version\": \">= 1.7.0, < 1.7.2\"}]}], \"references\": [{\"url\": \"https://github.com/libgit2/libgit2/security/advisories/GHSA-54mf-x2rh-hq9v\", \"name\": \"https://github.com/libgit2/libgit2/security/advisories/GHSA-54mf-x2rh-hq9v\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/libgit2/libgit2/commit/add2dabb3c16aa49b33904dcdc07cd915efc12fa\", \"name\": \"https://github.com/libgit2/libgit2/commit/add2dabb3c16aa49b33904dcdc07cd915efc12fa\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/libgit2/libgit2/releases/tag/v1.6.5\", \"name\": \"https://github.com/libgit2/libgit2/releases/tag/v1.6.5\", \"tags\": 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implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Using well-crafted inputs to `git_revparse_single` can cause the function to enter an infinite loop, potentially causing a Denial of Service attack in the calling application. The revparse function in `src/libgit2/revparse.c` uses a loop to parse the user-provided spec string. There is an edge-case during parsing that allows a bad actor to force the loop conditions to access arbitrary memory. Potentially, this could also leak memory if the extracted rev spec is reflected back to the attacker. As such, libgit2 versions before 1.4.0 are not affected. Users should upgrade to version 1.6.5 or 1.7.2.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-400\", \"description\": \"CWE-400: Uncontrolled Resource Consumption\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2024-02-06T21:27:57.328Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2024-24575\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-01T23:19:52.905Z\", \"dateReserved\": \"2024-01-25T15:09:40.211Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2024-02-06T21:27:57.328Z\", \"assignerShortName\": \"GitHub_M\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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