- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201006-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: Asterisk: Multiple vulnerabilities Date: June 04, 2010 Bugs: #281107, #283624, #284892, #295270 ID: 201006-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities in Asterisk might allow remote attackers to cause a Denial of Service condition, or conduct other attacks. Background ========== Asterisk is an open source telephony engine and toolkit. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/asterisk < 1.2.37 >= 1.2.37 Description =========== Multiple vulnerabilities have been reported in Asterisk: * Nick Baggott reported that Asterisk does not properly process overly long ASCII strings in various packets (CVE-2009-2726). * Noam Rathaus and Blake Cornell reported a flaw in the IAX2 protocol implementation (CVE-2009-2346). * amorsen reported an input processing error in the RTP protocol implementation (CVE-2009-4055). * Patrik Karlsson reported an information disclosure flaw related to the REGISTER message (CVE-2009-3727). * A vulnerability was found in the bundled Prototype JavaScript library, related to AJAX calls (CVE-2008-7220). Impact ====== A remote attacker could exploit these vulnerabilities by sending a specially crafted package, possibly causing a Denial of Service condition, or resulting in information disclosure. Workaround ========== There is no known workaround at this time. Resolution ========== All Asterisk users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.2.37" NOTE: This is a legacy GLSA. Updates for all affected architectures are available since January 5, 2010. It is likely that your system is already no longer affected by this issue. References ========== [ 1 ] CVE-2009-2726 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2726 [ 2 ] CVE-2009-2346 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2346 [ 3 ] CVE-2009-4055 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4055 [ 4 ] CVE-2009-3727 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3727 [ 5 ] CVE-2008-7220 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7220 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201006-20.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 secur...@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2010 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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