- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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@xxxxxxxxxx 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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