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GLSA 200411-21: Samba: Remote Denial of Service
Posted by Philipp Esselbach on: 11/11/2004 05:31 PM [ Print | 0 comment(s) ]
A Samba security update has been released for Gentoo Linux
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Gentoo Linux Security Advisory GLSA 200411-21
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http://security.gentoo.org/
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Severity: Normal
Title: Samba: Remote Denial of Service
Date: November 11, 2004
Bugs: #70429
ID: 200411-21
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Synopsis
=======
An input validation flaw in Samba may allow a remote attacker to cause a Denial of Service by excessive consumption of CPU cycles.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200411-21
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: Samba: Remote Denial of Service
Date: November 11, 2004
Bugs: #70429
ID: 200411-21
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Synopsis
=======
An input validation flaw in Samba may allow a remote attacker to cause a Denial of Service by excessive consumption of CPU cycles.
Background
=========
Samba is a freely available SMB/CIFS implementation which allows seamless interoperability of file and print services to other SMB/CIFS clients.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-fs/samba < 3.0.8 >= 3.0.8
< 3.0
Description
==========
An input validation flaw exists in ms_fnmatch.c when matching filenames that contain wildcards.
Impact
=====
A remote attacker may be able to cause an abnormal consumption of CPU resources, resulting in slower performance of the server or even a Denial of Service.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All Samba users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-fs/samba-3.0.8"
References
=========
[ 1 ] Samba Security Announcement
http://www.samba.org/samba/security/CAN-2004-0930.html
[ 2 ] CAN-2004-0930
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0930
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-21.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 2004 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.
=========
Samba is a freely available SMB/CIFS implementation which allows seamless interoperability of file and print services to other SMB/CIFS clients.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-fs/samba < 3.0.8 >= 3.0.8
< 3.0
Description
==========
An input validation flaw exists in ms_fnmatch.c when matching filenames that contain wildcards.
Impact
=====
A remote attacker may be able to cause an abnormal consumption of CPU resources, resulting in slower performance of the server or even a Denial of Service.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All Samba users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-fs/samba-3.0.8"
References
=========
[ 1 ] Samba Security Announcement
http://www.samba.org/samba/security/CAN-2004-0930.html
[ 2 ] CAN-2004-0930
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0930
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-21.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 2004 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.
