full-disclosure - [ GLSA 200809-16 ] Git: User-assisted execution of arbitrary code

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Message-ID: <48DBFE15.6040000@gentoo.org>
Date: Thu, 25 Sep 2008 23:09:41 +0200
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200809-16 ] Git: User-assisted execution
	of arbitrary code

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Gentoo Linux Security Advisory                           GLSA 200809-16
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                                              http://security.gentoo.org/
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    Severity: Normal
       Title: Git: User-assisted execution of arbitrary code
        Date: September 25, 2008
        Bugs: #234075
          ID: 200809-16

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Synopsis
========

Multiple buffer overflow vulnerabilities have been discovered in Git.

Background
==========

Git is a distributed version control system.

Affected packages
=================

      -------------------------------------------------------------------
       Package       /  Vulnerable  /                         Unaffected
      -------------------------------------------------------------------
    1  dev-util/git      < 1.5.6.4                            >= 1.5.6.4

Description
===========

Multiple boundary errors in the functions diff_addremove() and
diff_change() when processing overly long repository path names were
reported.

Impact
======

A remote attacker could entice a user to run commands like "git-diff"
or "git-grep" on a specially crafted repository, possibly resulting in
the remote execution of arbitrary code with the privileges of the user
running the application.

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-1.5.6.4"

References
==========

    [ 1 ] CVE-2008-3546
          http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3546

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

    http://security.gentoo.org/glsa/glsa-200809-16.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 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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