- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200608-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: Heimdal: Multiple local privilege escalation vulnerabilities Date: August 23, 2006 Bugs: #143371 ID: 200608-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Certain Heimdal components, ftpd and rcp, are vulnerable to a local privilege escalation. Background ========== Heimdal is a free implementation of Kerberos 5. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-crypt/heimdal < 0.7.2-r3 >= 0.7.2-r3 Description =========== The ftpd and rcp applications provided by Heimdal fail to check the return value of calls to seteuid(). Impact ====== A local attacker could exploit this vulnerability to execute arbitrary code with elevated privileges. Workaround ========== There is no known workaround at this time. Resolution ========== All Heimdal users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/heimdal-0.7.2-r3" References ========== [ 1 ] Official advisory http://www.pdc.kth.se/heimdal/advisory/2006-08-08/ [ 2 ] CVE-2006-3083 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3083 [ 3 ] CVE-2006-3084 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3084 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200608-21.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 2006 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