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[ GLSA 200712-19 ] Syslog-ng: Denial of Service
From: Robert Buchholz <rbu () gentoo org>
Date: Sat, 29 Dec 2007 16:59:52 +0100
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200712-19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Syslog-ng: Denial of Service Date: December 29, 2007 Bugs: #202718 ID: 200712-19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A Denial of Service vulnerability has been discovered in Syslog-ng. Background ========== Syslog-ng is a flexible and scalable system logger. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-admin/syslog-ng < 2.0.6 >= 2.0.6 Description =========== Oriol Carreras reported a NULL pointer dereference in the log_msg_parse() function when processing timestamps without a terminating whitespace character. Impact ====== A remote attacker could send a specially crafted event to a vulnerable Syslog-ng server, resulting in a crash. Workaround ========== There is no known workaround at this time. Resolution ========== All Syslog-ng users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-admin/syslog-ng-2.0.6" References ========== [ 1 ] CVE-2007-6437 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6437 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200712-19.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 2007 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
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- [ GLSA 200712-19 ] Syslog-ng: Denial of Service Robert Buchholz (Dec 29)