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Debian Security Advisory DSA-5332-1                   security@debian.org
https://www.debian.org/security/                                  Aron Xu
January 29, 2023                      https://www.debian.org/security/faq
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Package        : git
CVE ID         : CVE-2022-23521 CVE-2022-24765 CVE-2022-29187 CVE-2022-39253 
                 CVE-2022-39260 CVE-2022-41903
Debian Bug     : 1014848 1022046 1029114

Multiple issues were found in Git, a distributed revision control system.
An attacker may trigger remote code execution, cause local users into
executing arbitrary commands, leak information from the local filesystem,
and bypass restricted shell.

This update includes two changes of behavior that may affect certain setup:
  - It stops when directory traversal changes ownership from the current
    user while looking for a top-level git directory, a user could make an
    exception by using the new safe.directory configuration.
  - The default of protocol.file.allow has been changed from "always" to
    "user".

For the stable distribution (bullseye), these problems have been fixed in
version 1:2.30.2-1+deb11u1.

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/source-package/git

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org