news 28 Posted June 25, 2012 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201206-33 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: Postfix: Multiple vulnerabilities Date: June 25, 2012 Bugs: #358085, #366605 ID: 201206-33 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability has been found in Postfix, the worst of which possibly allowing remote code execution. Background ========== Postfix is Wietse Venema’s mailer that attempts to be fast, easy to administer, and secure, as an alternative to the widely-used Sendmail program. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 mail-mta/postfix < 2.7.4 >= 2.7.4 Description =========== A vulnerability have been discovered in Postfix. Please review the CVE identifier referenced below for details. Impact ====== An attacker could perform a man-in-the-middle attack and inject SMTP commands during the plaintext to TLS session switch or might execute arbitrary code. Workaround ========== There is no known workaround at this time. Resolution ========== All Postfix users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=mail-mta/postfix-2.7.4" References ========== [ 1 ] CVE-2011-0411 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0411 [ 2 ] CVE-2011-1720 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1720 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201206-33.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 ( -at -) gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2012 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 Share this post Link to post