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Bug 128227

Summary:	CAN-2004-0686 buffer overflow in 'mangling method = hash' code.
Product:	Red Hat Enterprise Linux 3	Reporter:	Josh Bressers <bressers>
Component:	samba	Assignee:	Jay Fenlason <fenlason>
Status:	CLOSED ERRATA	QA Contact:	David Lawrence <dkl>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	3.0	CC:	jfeeney, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2004-07-22 11:01:08 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Josh Bressers 2004-07-20 14:00:30 UTC

Affected Versions:      Samba 3.0.0 and later

A buffer overrun has been located in the code used to support
the 'mangling method = hash' smb.conf option.  Please be aware
that the default setting for this parameter is 'mangling method
= hash2' and therefore not vulnerable.

Affected Samba 3 installations can avoid this possible security
bug by using the default hash2 mangling method.  Server
installations requiring the hash mangling method are encouraged
to upgrade to Samba 3.0.5.  There are no known exploits for the
bug.

Comment 1 Mark J. Cox 2004-07-21 07:53:34 UTC

This issue has also been found to affect versions of Samba 2.

Embargo moved to Jul 22

Comment 2 Mark J. Cox 2004-07-22 10:48:45 UTC

Removing embargo; now public at http://www.samba.org/samba/samba.html

Comment 3 Mark J. Cox 2004-07-22 11:01:08 UTC

An errata has been issued which should help the problem 
described in this bug report. This report is therefore being 
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files, 
please follow the link below. You may reopen this bug report 
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2004-259.html

Comment 4 Mark J. Cox 2004-07-22 11:10:29 UTC

(an update to correct juts this issue for RHEL2.1 will be available later)