Date: Tue, 21 Dec 2004 11:44:56 +0100
From: Trustix Security Advisor <tsl@trustix.org.>
To: [email protected]Subject: TSLSA-2004-0069 - kerberos5
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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
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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
<URI:http://http.trustix.org/pub/trustix/updates/>;
<URI:ftp://ftp.trustix.org/pub/trustix/updates/>;
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:
<URI:http://www.trustix.org/support/>;
Verification:
This advisory along with all Trustix packages are signed with the
TSL sign key.
This key is available from:
<URI:http://www.trustix.org/TSL-SIGN-KEY>;
The advisory itself is available from the errata pages at
<URI:http://www.trustix.org/errata/trustix-2.1/>; and
<URI:http://www.trustix.org/errata/trustix-2.2/>;
or directly at
<URI:http://www.trustix.org/errata/2004/0069/>;
MD5sums of the packages:
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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
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Trustix Security Team
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