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

 

 

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rbu at gentoo

Jul 12, 2009, 10:38 AM

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

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Gentoo Linux Security Advisory GLSA 200907-05
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http://security.gentoo.org/
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Severity: Normal
Title: git: git-daemon Denial of Service
Date: July 12, 2009
Bugs: #273905
ID: 200907-05

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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
-------------------------------------------------------------------
1 dev-util/git < 1.6.3.3 >= 1.6.3.3

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
==========

[ 1 ] CVE-2009-2108
http://cve.mitre.org/cgi-bin/cvename.cgi?name=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 [at] gentoo or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2009 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5
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