GLSA 200907-05: git: git-daemon Denial of Service

http://security.gentoo.org/

Severity:	normal
Title:	git: git-daemon Denial of Service
Date:	07/12/2009
Bugs:	#273905
ID:	200907-05

Synopsis

An error in git-daemon might lead to a Denial of Service via resource consumption.

Background

git - the stupid content tracker, the revision control system used by the Linux kernel team.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-util/git	< 1.6.3.3	>= 1.6.3.3	All supported architectures

Description

Shawn O. Pearce reported that git-daemon runs into an infinite loop when handling requests that contain unrecognized arguments.

Impact

A remote unauthenticated attacker could send a specially crafted request to git-daemon, possibly leading to a Denial of Service (CPU consumption).

Workaround

There is no known workaround at this time.

Resolution

All git users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-util/git-1.6.3.3"

References

CVE-2009-2108

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200907-05.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.