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Gentoo Linux Security Advisory GLSA 200606-18
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http://security.gentoo.org/
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Severity: Normal
Title: PAM-MySQL: Multiple vulnerabilities
Date: June 15, 2006
Bugs: #120842
ID: 200606-18
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Synopsis
=======
Vulnerabilities in PAM-MySQL can lead to a Denial of Service, making it
impossible to log into a machine.
Background
=========
PAM-MySQL is a PAM module used to authenticate users against a MySQL
backend.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-auth/pam_mysql < 0.7_rc1 >= 0.7_rc1
Description
==========
A flaw in handling the result of pam_get_item() as well as further
unspecified flaws were discovered in PAM-MySQL.
Impact
=====
By exploiting the mentioned flaws an attacker can cause a Denial of
Service and thus prevent users that authenticate against PAM-MySQL from
logging into a machine. There is also a possible additional attack
vector with more malicious impact that has not been confirmed yet.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All PAM-MySQL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-auth/pam_mysql-0.7_rc1"
References
=========
[ 1 ] Official release information
http://pam-mysql.sourceforge.net/News/
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200606-18.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
http://bugs.gentoo.org.
License
======
Copyright 2006 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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