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Gentoo: GLSA 200608-06 Standard: Courier MTA Denial of Service Issue

Courier MTA has fixed a DoS issue related to usernames containing a "=" character.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200608-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://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 https://www.cve.org/CVERecord?id=CVE-2006-2659 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/200608-06 Concerns? ======== Security is a primary focus ofGentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://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. https://creativecommons.org/licenses/by-sa/2.5/ . Gentoo Linux Advisory GLSA 202310-07 highlights a security vulnerability in Postfix that affects how it manages email addresses containing '|' characters.. Gentoo Security, Courier MTA, DoS Fix, Email Server Update. . LinuxSecurity.com Team

Aug 04, 2006 Gentoo