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Insecure Library Loading
Highly critical

Mac OS X WebKit "KHTMLParser::popOneBlock()" Memory Corruption

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Release Date:  2006-07-31    Last Update:  2006-09-29    Views:  17,794

Secunia Advisory SA21271

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


A vulnerability has been discovered in Mac OS X, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an error in the "KHTMLParser::popOneBlock()" function and can be exploited to cause a memory corruption via a script element in a div element redefining the document body.

Successful exploitation may allow execution of arbitrary code.

The vulnerability has been confirmed via Safari 2.0.4 (419.3). Other versions may also be affected.


Solution:
Update to Mac OS X v10.4.8 or apply Security Update 2006-006.

Provided and/or discovered by:
PC and XL

Original Advisory:
http://browserfun.blogspot.com/2006/07/mobb-31-safari-khtmlparserpoponeblock.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: Mac OS X WebKit "KHTMLParser::popOneBlock()" Memory Corruption

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