Mac OS X HFS+ "do_hfs_truncate()" Denial of Service - Advisories

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Mac OS X HFS+ "do_hfs_truncate()" Denial of Service

Secunia Advisory:	SA23742
Release Date:	2007-01-15
Last Update:	2007-03-14

Critical:	Not critical
Impact:	DoS
Where:	From remote
Solution Status:	Vendor Patch

OS:	Apple Macintosh OS X


CVE reference:	CVE-2007-0318 (Secunia mirror)

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Description: LMH has reported a vulnerability in Mac OS X, which can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to an error in the "do_hfs_truncate()" function when handling HFS+ file systems. This can be exploited via a DMG image containing a specially crafted HFS+ file system to cause a kernel panic. NOTE: This is only remotely exploitable via the Safari web browser when the "opening safe files after downloading" option is enabled. The vulnerability is reported in version 10.4.8 (x86). Other versions may also be affected. Solution: Update to Mac OS X 10.4.9 or install Security Update 2007-003. http://docs.info.apple.com/article.html?artnum=305214 Provided and/or discovered by: LMH Changelog: 2007-01-19: Added CVE reference. 2007-03-14: Updated "Solution" section. Original Advisory: http://projects.info-pull.com/moab/MOAB-13-01-2007.html



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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