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[ GLSA 200608-06 ] Courier MTA: Denial of Service vulnerability
From: Sune Kloppenborg Jeppesen <jaervosz () gentoo org>
Date: Fri, 4 Aug 2006 06:56:14 +0200
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200608-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Courier MTA: Denial of Service vulnerability Date: August 04, 2006 Bugs: #135005 ID: 200608-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Courier MTA has fixed a DoS issue related to usernames containing a "=" character. Background ========== Courier MTA is an integrated mail and groupware server based on open protocols. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 mail-mta/courier < 0.53.2 >= 0.53.2 Description =========== Courier MTA has fixed a security issue relating to usernames containing the "=" character, causing high CPU utilization. Impact ====== An attacker could exploit this vulnerability by sending a specially crafted email to a mail gateway running a vulnerable version of Courier MTA. Workaround ========== There is no known workaround at this time. Resolution ========== All Courier MTA users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=mail-mta/courier-0.53.2" References ========== [ 1 ] CVE-2006-2659 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2659 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200608-06.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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- [ GLSA 200608-06 ] Courier MTA: Denial of Service vulnerability Sune Kloppenborg Jeppesen (Aug 03)