National Cyber-Alert System
Vulnerability Summary for CVE-2006-5297
Original release date:10/16/2006
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
Race condition in the safe_open function in the Mutt mail client 1.5.12 and earlier, when creating temporary files in an NFS filesystem, allows local users to overwrite arbitrary files due to limitations of the use of the O_EXCL flag on NFS filesystems.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
1.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
Solution
Race Condition occurs when creating temporary files in an NFS filesystem.}
- Official Statement from Red Hat (09/07/2007)
-
Red Hat is aware of this issue and is tracking it via the following bug:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=211085
The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here:
http://www.redhat.com/security/updates/classification/
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
The risks associated with fixing this bug are greater than the low severity security risk. We therefore currently have no plans to fix this flaw in Red Hat Enterprise Linux 2.1 which is in maintenance mode.
References to Advisories, Solutions, and Tools
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External Source: MLIST
Name: [mutt-dev] 20061004 security problem with temp files [was Re: mutt_adv_mktemp() ?]
External Source: UBUNTU
Name: USN-373-1
External Source: TRUSTIX
Name: 2006-0061
External Source: BID
Name: 20733
External Source: REDHAT
Name: RHSA-2007:0386
External Source: MANDRIVA
Name: MDKSA-2006:190
External Source: VUPEN
Name: ADV-2006-4176
External Source: SECUNIA
Name: 25529
External Source: SECUNIA
Name: 22686
External Source: SECUNIA
Name: 22685
External Source: SECUNIA
Name: 22640
External Source: SECUNIA
Name: 22613
External Source: MANDRIVA
Name: MDKSA-2006:190