Arbitrary code execution when checking out an attacker-controlled Git branch
CVE-2021-29468 is fixed in Git on 1 platform by Git 2.32.0 (version 2.32.0), released June 7, 2021. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Git | 2.32.0 | Git 2.32.0 | Jun 7, 2021 |
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