Secunia Security Advisory - LMH has reported a vulnerability in FreeBSD, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
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TITLE:
FreeBSD UFS "ufs_dirbad()" Local Denial of Service
SECUNIA ADVISORY ID:
SA23721
VERIFY ADVISORY:
http://secunia.com/advisories/23721/
CRITICAL:
Not critical
IMPACT:
DoS
WHERE:
Local system
OPERATING SYSTEM:
FreeBSD 6.x
http://secunia.com/product/6778/
DESCRIPTION:
LMH has reported a vulnerability in FreeBSD, which can be exploited
by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within the "ufs_dirbad()"
function when handling corrupted UFS images and can be exploited to
cause a kernel panic.
The vulnerability is reported in FreeBSD 6.1. Other versions may also
be affected.
SOLUTION:
Allow only trusted users to mount UFS images.
PROVIDED AND/OR DISCOVERED BY:
LMH
ORIGINAL ADVISORY:
http://projects.info-pull.com/moab/MOAB-12-01-2007.html
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