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Gentoo Linux Security Advisory 201110-23

Gentoo Linux Security Advisory 201110-23
Posted Oct 25, 2011
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201110-23 - An input sanitation flaw in mod_authnz_external allows remote attacker to conduct SQL injection. Versions prior to 3.2.6 are affected.

tags | advisory, remote, sql injection
systems | linux, gentoo
advisories | CVE-2011-2688
MD5 | 11259463e435feb779db988e9f45c527

Gentoo Linux Security Advisory 201110-23

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201110-23
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http://security.gentoo.org/
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Severity: Low
Title: Apache mod_authnz_external: SQL injection
Date: October 25, 2011
Bugs: #386165
ID: 201110-23

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Synopsis
========

An input sanitation flaw in mod_authnz_external allows remote attacker
to conduct SQL injection.

Background
==========

mod_authnz_external is a tool for creating custom authentication
backends for HTTP basic authentication.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apache/mod_authnz_external
< 3.2.6 >= 3.2.6

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

mysql/mysql-auth.pl in mod_authnz_external does not properly sanitize
input before using it in an SQL query.

Impact
======

A remote attacker could exploit this vulnerability to inject arbitrary
SQL statements by using a specially crafted username for HTTP
authentication on a site using mod_authnz_external.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Apache mod_authnz_external users should upgrade to the latest
version:

# emerge --sync
# emerge --ask --oneshot -v ">=www-apache/mod_authnz_external-3.2.6"

References
==========

[ 1 ] CVE-2011-2688
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2688

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

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

http://security.gentoo.org/glsa/glsa-201110-23.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.

License
=======

Copyright 2011 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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