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Insecure Library Loading
Not critical

FreeBSD UFS "ufs_dirbad()" Local Denial of Service

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Release Date:  2007-01-16    Views:  12,565

Secunia Advisory SA23721

Where:

Local system

Impact:

DoS

Solution Status:

Unpatched

Operating System:

CVE Reference(s):

No CVE references.

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

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: FreeBSD UFS "ufs_dirbad()" Local Denial of Service

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