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Message-ID: <200505120630.50077.jaervosz@gentoo.org> Date: Sun Jul 17 14:41:28 2005 From: jaervosz at gentoo.org (Sune Kloppenborg Jeppesen) Subject: [gentoo-announce] [ 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@...too.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 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available Url : http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20050717/73e6b38e/attachment.bin
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