CVE-2021-29468

Name
CVE-2021-29468
Description
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.
NVD Severity
high
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC 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
MISC https://cygwin.com/pipermail/cygwin-announce/2021-April/010018.html
CONFIRM https://github.com/me-and/Cygwin-Git/security/advisories/GHSA-rmp3-wq55-f557

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:cygwin:git:*:*:*:*:*:*:*:* git >= None <= 2.31.1-1
cpe:2.3:a:cygwin:git:*:*:*:*:*:*:*:* cygwin-git >= None <= 2.31.1-1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
git 3.11-main 2.24.4-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
git 3.10-main 2.22.5-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
git 3.12-main 2.26.3-r1 Natanael Copa <ncopa@alpinelinux.org> fixed
git 3.13-main 2.30.6-r0 Natanael Copa <ncopa@alpinelinux.org> fixed