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Date: Tue, 18 Aug 2009 23:36:51 +0200
From: Alex Legler <a3li@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Cc: bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk,
security-alerts@linuxsecurity.com
Subject: [gentoo-announce] [ GLSA 200908-05 ] Subversion: Remote execution of arbitrary code
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Gentoo Linux Security Advisory GLSA 200908-05
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http://security.gentoo.org/
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Severity: High
Title: Subversion: Remote execution of arbitrary code
Date: August 18, 2009
Bugs: #280494
ID: 200908-05
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Synopsis
=3D=3D=3D=3D=3D=3D=3D=3D
Multiple integer overflows, leading to heap-based buffer overflows in
the Subversion client and server might allow remote attackers to
execute arbitrary code.
Background
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Subversion is a versioning system designed to be a replacement for CVS.
Affected packages
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-util/subversion < 1.6.4 >=3D 1.6.4
Description
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Matt Lewis of Google reported multiple integer overflows in the
libsvn_delta library, possibly leading to heap-based buffer overflows.
Impact
=3D=3D=3D=3D=3D=3D
A remote attacker with commit access could exploit this vulnerability
by sending a specially crafted commit to a Subversion server, or a
remote attacker could entice a user to check out or update a repository
from a malicious Subversion server, possibly resulting in the execution
of arbitrary code with the privileges of the user running the server or
client.
Workaround
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
There is no known workaround at this time.
Resolution
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
All Subversion users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose =3Ddev-util/subversion-1.6.4
References
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
[ 1 ] CVE-2009-2411
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2009-2411
Availability
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200908-05.xml
Concerns?
=3D=3D=3D=3D=3D=3D=3D=3D=3D
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.
License
=3D=3D=3D=3D=3D=3D=3D
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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