From jaervosz@gentoo.org Wed Jun 29 07:41:59 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: Wed, 29 Jun 2005 13:32:40 +0200 Subject: [Full-disclosure] [ GLSA 200506-24 ] Heimdal: Buffer overflow vulnerabilities - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200506-24 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: Heimdal: Buffer overflow vulnerabilities Date: June 29, 2005 Bugs: #96727 ID: 200506-24 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple buffer overflow vulnerabilities in Heimdal's telnetd server could allow the execution of arbitrary code. Background ========== Heimdal is a free implementation of Kerberos 5 that includes a telnetd server. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-crypt/heimdal < 0.6.5 >= 0.6.5 Description =========== It has been reported that the "getterminaltype" function of Heimdal's telnetd server is vulnerable to buffer overflows. Impact ====== An attacker could exploit this vulnerability to execute arbitrary code with the permission of the telnetd server program. Workaround ========== There is no known workaround at this time. Resolution ========== All users should upgrade to the latest available version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/heimdal-0.6.5" References ========== [ 1 ] CAN-2005-2040 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2040 [ 2 ] Heimdal Advisory 2005-06-20 http://www.pdc.kth.se/heimdal/advisory/2005-06-20/ Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200506-24.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/