vulnerability

CentOS Linux: CVE-2023-29007: Important: git security update (CESA-2023:3263)

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Apr 25, 2023
Added
May 23, 2023
Modified
Jan 28, 2025

Description

Git is a revision control system. Prior to versions 2.30.9, 2.31.8, 2.32.7, 2.33.8, 2.34.8, 2.35.8, 2.36.6, 2.37.7, 2.38.5, 2.39.3, and 2.40.1, a specially crafted `.gitmodules` file with submodule URLs that are longer than 1024 characters can used to exploit a bug in `config.c::git_config_copy_or_rename_section_in_file()`. This bug can be used to inject arbitrary configuration into a user's `$GIT_DIR/config` when attempting to remove the configuration section associated with that submodule. When the attacker injects configuration values which specify executables to run (such as `core.pager`, `core.editor`, `core.sshCommand`, etc.) this can lead to a remote code execution. A fix A fix is available in versions 2.30.9, 2.31.8, 2.32.7, 2.33.8, 2.34.8, 2.35.8, 2.36.6, 2.37.7, 2.38.5, 2.39.3, and 2.40.1. As a workaround, avoid running `git submodule deinit` on untrusted repositories or without prior inspection of any submodule sections in `$GIT_DIR/config`.

Solution(s)

centos-upgrade-emacs-gitcentos-upgrade-emacs-git-elcentos-upgrade-gitcentos-upgrade-git-allcentos-upgrade-git-bzrcentos-upgrade-git-cvscentos-upgrade-git-daemoncentos-upgrade-git-debuginfocentos-upgrade-git-emailcentos-upgrade-git-gnome-keyringcentos-upgrade-git-guicentos-upgrade-git-hgcentos-upgrade-git-instawebcentos-upgrade-git-p4centos-upgrade-git-svncentos-upgrade-gitkcentos-upgrade-gitwebcentos-upgrade-perl-gitcentos-upgrade-perl-git-svn
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