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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@xxxxxxxxxx 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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