From tsl@trustix.org Tue Dec 21 12:00:02 2004 From: Trustix Security Advisor To: bugtraq@securityfocus.com Date: Tue, 21 Dec 2004 11:44:56 +0100 Subject: TSLSA-2004-0069 - kerberos5 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- Trustix Secure Linux Advisory #2004-0069 Package name: kerberos5 Summary: execution of arbitary code by authenticated user Date: 2004-12-21 Affected versions: Trustix Secure Linux 2.1 Trustix Secure Linux 2.2 Trustix Operating System - Enterprise Server 2 - -------------------------------------------------------------------------- Package description: (MIT) Kerberos is a network authentication protocol. It is designed to provide strong authentication for client/server applications by using secret-key cryptography. A free implementation of this protocol is available from the Massachusetts Institute of Technology. Problem description: There is a buffer overflow in the password history handling code of libkadm5srv which could be exploited by an authenticated user to execute arbitary code on a Key Distribution Center (KDC) server. This was reported by Michael Tautschnig. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-1189 to this issue. Action: We recommend that all systems with this package installed be upgraded. Please note that if you do not need the functionality provided by this package, you may want to remove it from your system. Location: All Trustix Secure Linux updates are available from About Trustix Secure Linux: Trustix Secure Linux is a small Linux distribution for servers. With focus on security and stability, the system is painlessly kept safe and up to date from day one using swup, the automated software updater. Automatic updates: Users of the SWUP tool can enjoy having updates automatically installed using 'swup --upgrade'. Questions? Check out our mailing lists: Verification: This advisory along with all Trustix packages are signed with the TSL sign key. This key is available from: The advisory itself is available from the errata pages at and or directly at MD5sums of the packages: - -------------------------------------------------------------------------- 1c402adc87034aacbeb451de820720d3 2.2/rpms/kerberos5-1.3.6-2tr.i586.rpm 253c90f7507a4b9fb7ff9361b67db08b 2.2/rpms/kerberos5-devel-1.3.6-2tr.i586.rpm 0b7d17146a5ffa558872a0621e8fb7d0 2.2/rpms/kerberos5-libs-1.3.6-2tr.i586.rpm 1e1a30a5f8c44858446b170023e7b961 2.1/rpms/kerberos5-1.3.6-1tr.i586.rpm 33617b79895aabc81dbc7e189a73d7c5 2.1/rpms/kerberos5-devel-1.3.6-1tr.i586.rpm 04b80805f61d577ac18df073e6ba50c1 2.1/rpms/kerberos5-libs-1.3.6-1tr.i586.rpm - -------------------------------------------------------------------------- Trustix Security Team -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQFBx/xPi8CEzsK9IksRAiUhAJ9ccwn5F5U4JwXuy9UI89EgHBn1VwCeMceK SI30VZQ4lXSRrruVJURZHw0= =m9xZ -----END PGP SIGNATURE-----