From jaervosz@gentoo.org Wed Mar 22 14:52:23 2006 From: Sune Kloppenborg Jeppesen To: gentoo-announce@gentoo.org Cc: full-disclosure@lists.grok.org.uk, bugtraq@securityfocus.com, security-alerts@linuxsecurity.com Date: Wed, 22 Mar 2006 20:52:34 +0100 Subject: [Full-disclosure] [ GLSA 200603-21 ] Sendmail: Race condition in the handling of asynchronous signals - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200603-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: Sendmail: Race condition in the handling of asynchronous signals Date: March 22, 2006 Bugs: #125623 ID: 200603-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Sendmail is vulnerable to a race condition which could lead to the execution of arbitrary code with sendmail privileges. Background ========== Sendmail is a popular mail transfer agent (MTA). Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 mail-mta/sendmail < 8.13.6 >= 8.13.6 Description =========== ISS discovered that Sendmail is vulnerable to a race condition in the handling of asynchronous signals. Impact ====== An attacker could exploit this via certain crafted timing conditions. Workaround ========== There is no known workaround at this time. Resolution ========== All Sendmail users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=mail-mta/sendmail-8.13.6" References ========== [ 1 ] CVE-2006-0058 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0058 [ 2 ] Sendmail Inc. advisory http://www.sendmail.com/company/advisory/index.shtml Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200603-21.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/2.0 [ Part 1.2, Application/PGP-SIGNATURE 198bytes. ] [ Unable to print this part. ] [ Part 2: "Attached Text" ] _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/