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CVE-2021-29468 Details

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NameCVE-2021-29468
StatusCandidate
DescriptionCygwin 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.
ReferencesCONFIRM: https://github.com/me-and/Cygwin-Git/security/advisories/GHSA-rmp3-wq55-f557
URL: https://github.com/me-and/Cygwin-Git/security/advisories/GHSA-rmp3-wq55-f557
MISC: https://cygwin.com/pipermail/cygwin-announce/2021-April/010018.html
URL: https://cygwin.com/pipermail/cygwin-announce/2021-April/010018.html
MISC: https://github.com/me-and/Cygwin-Git/blob/main/check-backslash-safety.patch
URL: https://github.com/me-and/Cygwin-Git/blob/main/check-backslash-safety.patch
MISC: https://lore.kernel.org/git/CA+kUOa=juEdBMVr_gyTKjz7PkPt2DZHkXQyzcQmAWCsEHC_ssw@mail.gmail.com/T/#u
URL: https://lore.kernel.org/git/CA+kUOa=juEdBMVr_gyTKjz7PkPt2DZHkXQyzcQmAWCsEHC_ssw@mail.gmail.com/T/#u
PhaseAssigned (20210330)
VotesNone (candidate not yet proposed)
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