- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200606-18 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: PAM-MySQL: Multiple vulnerabilities Date: June 15, 2006 Bugs: #120842 ID: 200606-18 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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@xxxxxxxxxx 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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