National Cyber-Alert System
Vulnerability Summary for CVE-2006-5298
Original release date:10/16/2006
Last revised:09/15/2010
Source:
US-CERT/NIST
Overview
The mutt_adv_mktemp function in the Mutt mail client 1.5.12 and earlier does not properly verify that temporary files have been created with restricted permissions, which might allow local users to create files with weak permissions via a race condition between the mktemp and safe_fopen function calls.
Impact
CVSS Severity (version 2.0 upgrade from v1.0):
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 between the mktemp and safe_fopen function calls.}
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: MANDRIVA
Name: MDKSA-2006:190
External Source: SECUNIA
Name: 22686
External Source: SECUNIA
Name: 22685
External Source: SECUNIA
Name: 22640
External Source: SECUNIA
Name: 22613
