[arch-security] [ASA-201705-14] git: access restriction bypass
rgacogne at archlinux.org
Fri May 12 14:50:39 UTC 2017
Arch Linux Security Advisory ASA-201705-14
Date : 2017-05-12
CVE-ID : CVE-2017-8386
Package : git
Type : access restriction bypass
Remote : Yes
Link : https://security.archlinux.org/AVG-267
The package git before version 2.13.0-1 is vulnerable to access
Upgrade to 2.13.0-1.
# pacman -Syu "git>=2.13.0-1"
The problem has been fixed upstream in version 2.13.0.
A security issue has been found in git < 2.12.3, allowing a remote
restricted user to execute an interactive pager on the server by
causing it to spawn "git upload-pack --help". This is only an issue for
servers running the "git-shell" restricted login shell.
A remote attacker can use the interactive pager commands to access and
modify arbitrary files on the affected host. If the login shell used is
not git-shell, a remote attacker might also be able to run arbitrary
commands on the affected host.
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