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TITLE: Safari "KHTMLParser::popOneBlock()" Memory Corruption
SECUNIA ADVISORY ID: SA21271
VERIFY ADVISORY: http://secunia.com/advisories/21271/
CRITICAL: Highly critical
IMPACT: DoS, System access
WHERE: >From remote
SOFTWARE: Safari 2.x http://secunia.com/product/5289/
DESCRIPTION: A vulnerability has been discovered in Safari, 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. This 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 in version 2.0.4 (419.3). Other versions may also be affected.
PROVIDED AND/OR DISCOVERED BY: PC and XL
ORIGINAL ADVISORY: http://browserfun.blogspot.com/2006/07/mobb-31-safari-khtmlparserpoponeblock.html
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.