{"containers":{"cna":{"affected":[{"product":"Cygwin-Git","vendor":"me-and","versions":[{"status":"affected","version":"< 2.31.1-2"}]}],"descriptions":[{"lang":"en","value":"Cygwin Git is a patch set for the git command line tool for the cygwin environment. A specially crafted repository that contains symbolic links as well as files with backslash characters in the file name may cause just-checked out code to be executed while checking out a repository using Git on Cygwin. The problem will be patched in the Cygwin Git v2.31.1-2 release. At time of writing, the vulnerability is present in the upstream Git source code; any Cygwin user who compiles Git for themselves from upstream sources should manually apply a patch to mitigate the vulnerability. As mitigation users should not clone or pull from repositories from untrusted sources. CVE-2019-1354 was an equivalent vulnerability in Git for Visual Studio."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-04-29T20:35:20.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/me-and/Cygwin-Git/security/advisories/GHSA-rmp3-wq55-f557"},{"tags":["x_refsource_MISC"],"url":"https://github.com/me-and/Cygwin-Git/blob/main/check-backslash-safety.patch"},{"tags":["x_refsource_MISC"],"url":"https://cygwin.com/pipermail/cygwin-announce/2021-April/010018.html"},{"tags":["x_refsource_MISC"],"url":"https://lore.kernel.org/git/CA+kUOa=juEdBMVr_gyTKjz7PkPt2DZHkXQyzcQmAWCsEHC_ssw%40mail.gmail.com/T/#u"}],"source":{"advisory":"GHSA-rmp3-wq55-f557","discovery":"UNKNOWN"},"title":"Arbitrary code execution when checking out an attacker-controlled Git branch","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-29468","STATE":"PUBLIC","TITLE":"Arbitrary code execution when checking out an attacker-controlled Git branch"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Cygwin-Git","version":{"version_data":[{"version_value":"< 2.31.1-2"}]}}]},"vendor_name":"me-and"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Cygwin Git is a patch set for the git command line tool for the cygwin environment. 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CVE-2019-1354 was an equivalent vulnerability in Git for Visual Studio."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-20: Improper Input Validation"}]}]},"references":{"reference_data":[{"name":"https://github.com/me-and/Cygwin-Git/security/advisories/GHSA-rmp3-wq55-f557","refsource":"CONFIRM","url":"https://github.com/me-and/Cygwin-Git/security/advisories/GHSA-rmp3-wq55-f557"},{"name":"https://github.com/me-and/Cygwin-Git/blob/main/check-backslash-safety.patch","refsource":"MISC","url":"https://github.com/me-and/Cygwin-Git/blob/main/check-backslash-safety.patch"},{"name":"https://cygwin.com/pipermail/cygwin-announce/2021-April/010018.html","refsource":"MISC","url":"https://cygwin.com/pipermail/cygwin-announce/2021-April/010018.html"},{"name":"https://lore.kernel.org/git/CA+kUOa=juEdBMVr_gyTKjz7PkPt2DZHkXQyzcQmAWCsEHC_ssw@mail.gmail.com/T/#u","refsource":"MISC","url":"https://lore.kernel.org/git/CA+kUOa=juEdBMVr_gyTKjz7PkPt2DZHkXQyzcQmAWCsEHC_ssw@mail.gmail.com/T/#u"}]},"source":{"advisory":"GHSA-rmp3-wq55-f557","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T22:11:05.331Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/me-and/Cygwin-Git/security/advisories/GHSA-rmp3-wq55-f557"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/me-and/Cygwin-Git/blob/main/check-backslash-safety.patch"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://cygwin.com/pipermail/cygwin-announce/2021-April/010018.html"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://lore.kernel.org/git/CA+kUOa=juEdBMVr_gyTKjz7PkPt2DZHkXQyzcQmAWCsEHC_ssw%40mail.gmail.com/T/#u"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-29468","datePublished":"2021-04-29T20:35:20.000Z","dateReserved":"2021-03-30T00:00:00.000Z","dateUpdated":"2024-08-03T22:11:05.331Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}