National Cyber-Alert System
Vulnerability Summary for CVE-2008-4098
Original release date:09/18/2008
Last revised:05/29/2009
Source:
US-CERT/NIST
Overview
MySQL before 5.0.67 allows local users to bypass certain privilege checks by calling CREATE TABLE on a MyISAM table with modified (1) DATA DIRECTORY or (2) INDEX DIRECTORY arguments that are originally associated with pathnames without symlinks, and that can point to tables created at a future time at which a pathname is modified to contain a symlink to a subdirectory of the MySQL home data directory. NOTE: this vulnerability exists because of an incomplete fix for CVE-2008-4097.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- Official Statement from Red Hat (04/20/2009)
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Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2008-4098
The Red Hat Security Response Team has rated this issue as having moderate 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/
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: http://bugs.mysql.com/bug.php?id=32167
Type: Patch Information
External Source: XF
Name: mysql-myisam-symlink-security-bypass(45649)
External Source: REDHAT
Name: RHSA-2009:1067
External Source: MLIST
Name: [oss-security] 20080916 Re: CVE request: MySQL incomplete fix for CVE-2008-2079
External Source: MLIST
Name: [oss-security] 20080909 Re: CVE request: MySQL incomplete fix for CVE-2008-2079
External Source: MANDRIVA
Name: MDVSA-2009:094
External Source: SECUNIA
Name: 32759
External Source: SUSE
Name: SUSE-SR:2008:025
External Source: MISC
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=480292#25