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FreeBSD UFS "ufs_dirbad()" Local Denial of Service
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Secunia Advisory:
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SA23721
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Release Date:
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2007-01-16
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Popularity:
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8,362 views
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Critical:
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Not critical
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Impact:
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DoS
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Where:
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Local system
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Solution Status:
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Unpatched
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| OS: | FreeBSD 6.x
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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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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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