From jaervosz@gentoo.org Thu May 12 00:39:23 2005 From: Sune Kloppenborg Jeppesen To: gentoo-announce@gentoo.org Cc: full-disclosure@lists.grok.org.uk, bugtraq@securityfocus.com, security-alerts@linuxsecurity.com Date: Thu, 12 May 2005 06:30:43 +0200 Subject: [Full-disclosure] [ GLSA 200505-09 ] Gaim: Denial of Service and buffer overflow vulnerabilties - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200505-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: Gaim: Denial of Service and buffer overflow vulnerabilties Date: May 12, 2005 Bugs: #91862 ID: 200505-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Gaim contains two vulnerabilities, potentially resulting in the execution of arbitrary code or Denial of Service. Background ========== Gaim is a full featured instant messaging client which handles a variety of instant messaging protocols. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-im/gaim < 1.3.0 >= 1.3.0 Description =========== Stu Tomlinson discovered that Gaim is vulnerable to a remote stack based buffer overflow when receiving messages in certain protocols, like Jabber and SILC, with a very long URL (CAN-2005-1261). Siebe Tolsma discovered that Gaim is also vulnerable to a remote Denial of Service attack when receiving a specially crafted MSN message (CAN-2005-1262). Impact ====== A remote attacker could cause a buffer overflow by sending an instant message with a very long URL, potentially leading to the execution of malicious code. By sending a SLP message with an empty body, a remote attacker could cause a Denial of Service or crash of the Gaim client. Workaround ========== There are no known workarounds at this time. Resolution ========== All Gaim users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-im/gaim-1.3.0" References ========== [ 1 ] CAN-2005-1261 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1261 [ 2 ] CAN-2005-1262 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1262 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200505-09.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 2005 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 196bytes. ] [ 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/