Fedora Linux 8567 Published by

A git security update has been released for Fedora 32.



SECURITY: Fedora 32 Update: git-2.26.3-2.fc32


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Fedora Update Notification
FEDORA-2021-ffd0b2108d
2021-03-15 19:59:05.869644
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Name : git
Product : Fedora 32
Version : 2.26.3
Release : 2.fc32
URL :   https://git-scm.com/
Summary : Fast Version Control System
Description :
Git is a fast, scalable, distributed revision control system with an
unusually rich command set that provides both high-level operations
and full access to internals.

The git rpm installs common set of tools which are usually using with
small amount of dependencies. To install all git packages, including
tools for integrating with other SCMs, install the git-all meta-package.

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Update Information:

Security fix for CVE-2021-21300 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. Note that clean/smudge
filters have to be configured in advance, in the system-wide or global user
configuration for this bug to be exploited. This issue does not affect Fedora
in default configurations. For further details, please refer to the [upstream
advisory](  https://github.com/git/git/security/advisories/GHSA-8prw-h3cq-mghm).
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ChangeLog:

* Wed Mar 10 2021 Todd Zullinger - 2.26.3-2
- revert "revert to protocol v0 by default"
* Tue Mar 9 2021 Todd Zullinger - 2.26.3-1
- update to 2.26.3 (CVE-2021-21300)
* Fri May 29 2020 Todd Zullinger - 2.26.2-2
- revert to protocol v0 by default
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References:

[ 1 ] Bug #1935158 - CVE-2021-21300 git: remote code execution during clone operation on case-insensitive filesystems
  https://bugzilla.redhat.com/show_bug.cgi?id=1935158
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-ffd0b2108d' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys