Debian Security Advisory
DLA-3145-1 git -- LTS security update
- Date Reported:
- 11 Oct 2022
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 985120.
In Mitre's CVE dictionary: CVE-2021-21300, CVE-2021-40330.
- More information:
Several security vulnerabilities have been discovered in Git, a fast, scalable, distributed revision control system, which may affect multi-user systems.
A specially crafted repository that contains symbolic links as well as files using a clean/smudge filter such as Git LFS, may cause just-checked out script to be executed while cloning onto a case-insensitive file system such as NTFS, HFS+ or APFS (i.e. the default file systems on Windows and macOS).
git_connect_git in connect.c allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/dadaGET/HTTP/1.1 substring.
For Debian 10 buster, these problems have been fixed in version 1:2.20.1-2+deb10u4.
We recommend that you upgrade your git packages.
For the detailed security status of git please refer to its security tracker page at: https://security-tracker.debian.org/tracker/git
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS