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Insecure Library Loading
Not critical

Apple Mac OS X UFS Denial of Service Vulnerabilities

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Release Date:  2007-01-12    Last Update:  2007-03-16    Views:  14,313

Secunia Advisory SA23725

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


LMH has reported some vulnerabilities in Apple Mac OS X, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An integer overflow error in the "byte_swap_sbin()" function in bsd/ufs/ufs/ufs_byte_order.c can be exploited to cause a kernel panic.

2) An error exists in the "ufs_dirbad()" function when handling corrupted UFS DMG images and can be exploited to cause a kernel panic.

NOTE: These vulnerabilities are only remotely exploitable via the Safari web browser when the "opening safe files after downloading" option is enabled.

The vulnerabilities are reported on Mac OS X 10.4.8 running on a x86 platform. Other versions may also be affected.


Solution:
Update to Mac OS X 10.4.9 or install Security Update 2007-003.

Further details available to Secunia VIM customers

Provided and/or discovered by:
LMH

Original Advisory:
http://projects.info-pull.com/moab/MOAB-11-01-2007.html
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: Apple Mac OS X UFS Denial of Service Vulnerabilities

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