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GLSA 200405-23: Heimdal: Kerberos 4 buffer overflow in kadmin
Posted by Philipp Esselbach on: 05/27/2004 08:44 AM [ Print | 0 comment(s) ]
A Heimdal update has been released for Gentoo Linux
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Gentoo Linux Security Advisory GLSA 200405-23
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http://security.gentoo.org/
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Severity: High
Title: Heimdal: Kerberos 4 buffer overflow in kadmin
Date: May 27, 2004
Bugs: #50208
ID: 200405-23
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Synopsis
=======
A possible buffer overflow in the Kerberos 4 component of Heimdal has been discovered.
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Gentoo Linux Security Advisory GLSA 200405-23
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High
Title: Heimdal: Kerberos 4 buffer overflow in kadmin
Date: May 27, 2004
Bugs: #50208
ID: 200405-23
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Synopsis
=======
A possible buffer overflow in the Kerberos 4 component of Heimdal has been discovered.
Background
=========
Heimdal is a free implementation of Kerberos.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-crypt/heimdal < 0.6.2 >= 0.6.2
Description
==========
A buffer overflow was discovered in kadmind, a server for administrative access to the Kerberos database.
Impact
=====
By sending a specially formatted message to kadmind, a remote attacker may be able to crash kadmind causing a denial of service, or execute arbitrary code with the permissions of the kadmind process.
Workaround
=========
For a temporary workaround, providing you do not require Kerberos 4 support, you may turn off Kerberos 4 kadmin by running kadmind with the --no-kerberos4 option.
Resolution
=========
All Heimdal users should upgrade to the latest stable version:
# emerge sync
# emerge -pv ">=app-crypt/heimdal-0.6.2"
# emerge ">=app-crypt/heimdal-0.6.2"
References
=========
[ 1 ] Heimdal 0.6.2 Release Notice
http://www.pdc.kth.se/heimdal/advisory/2004-05-06/
[ 2 ] CAN-2004-0434
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0434
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200405-23.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 2004 Gentoo Technologies, 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/1.0
=========
Heimdal is a free implementation of Kerberos.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-crypt/heimdal < 0.6.2 >= 0.6.2
Description
==========
A buffer overflow was discovered in kadmind, a server for administrative access to the Kerberos database.
Impact
=====
By sending a specially formatted message to kadmind, a remote attacker may be able to crash kadmind causing a denial of service, or execute arbitrary code with the permissions of the kadmind process.
Workaround
=========
For a temporary workaround, providing you do not require Kerberos 4 support, you may turn off Kerberos 4 kadmin by running kadmind with the --no-kerberos4 option.
Resolution
=========
All Heimdal users should upgrade to the latest stable version:
# emerge sync
# emerge -pv ">=app-crypt/heimdal-0.6.2"
# emerge ">=app-crypt/heimdal-0.6.2"
References
=========
[ 1 ] Heimdal 0.6.2 Release Notice
http://www.pdc.kth.se/heimdal/advisory/2004-05-06/
[ 2 ] CAN-2004-0434
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0434
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200405-23.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 2004 Gentoo Technologies, 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/1.0
