Tom Ferris has reported some potential vulnerabilities in Mac OS X, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a user's system.

1) An error exists in the "BOMStackPop()" function in the BOMArchiveHelper when decompressing malformed ZIP archives.

2) An error exists in the "ReadBMP()" function when processing malformed BMP images and can be exploited via e.g. Safari or the Preview application.

3) An error exists in the "CFAllocatorAllocate()" function when processing malformed GIF images and can be exploited via e.g. Safari when a user visits a malicious web site.

4) Two errors exists in the " _cg_TIFFSetField ()" and "PredictorVSetField()" functions when processing malformed TIFF images and can be exploited via e.g. the Preview, Finder, QuickTime, or Safari applications.

The vulnerabilities have been reported in version 10.4.6. Other versions may also be affected.

Solution
Apply Security Update 2006-003.

Provided and/or discovered by
Tom Ferris

Changelog
Further details available to Secunia VIM customers

Original Advisory
Tom Ferris:
http://www.security-protocols.com/sp-x25-advisory.php
http://www.security-protocols.com/sp-x27-advisory.php
http://www.security-protocols.com/sp-x28-advisory.php
http://www.security-protocols.com/sp-x29-advisory.php
http://www.security-protocols.com/sp-x30-advisory.php

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