Linux Security
Linux Security
Linux Security

Debian: DSA-3984-1: git security update

Date 26 Sep 2017
173
Posted By LinuxSecurity Advisories
joernchen discovered that the git-cvsserver subcommand of Git, a distributed version control system, suffers from a shell command injection vulnerability due to unsafe use of the Perl backtick operator. The git-cvsserver subcommand is reachable from the
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Hash: SHA256

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Debian Security Advisory DSA-3984-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                           Florian Weimer
September 26, 2017                    https://www.debian.org/security/faq
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Package        : git
Debian Bug     : 876854

joernchen discovered that the git-cvsserver subcommand of Git, a
distributed version control system, suffers from a shell command
injection vulnerability due to unsafe use of the Perl backtick
operator.  The git-cvsserver subcommand is reachable from the
git-shell subcommand even if CVS support has not been configured
(however, the git-cvs package needs to be installed).

In addition to fixing the actual bug, this update removes the
cvsserver subcommand from git-shell by default.  Refer to the updated
documentation for instructions how to reenable in case this CVS
functionality is still needed.

For the oldstable distribution (jessie), this problem has been fixed
in version 1:2.1.4-2.1+deb8u5.

For the stable distribution (stretch), this problem has been fixed in
version 1:2.11.0-3+deb9u2.

For the unstable distribution (sid), this problem has been fixed in
version 1:2.14.2-1.

We recommend that you upgrade your git packages.

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: This email address is being protected from spambots. You need JavaScript enabled to view it.

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