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Credit:
The information has been provided by zdi-disclosures@tippingpoint.com.
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-09-034
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Vulnerable Systems:
* Apple Safari prior to version 4.0
Immune Systems:
* Apple Safari version 4.0 and later
The specific flaw exists in the garbage collection of JavaScript set elements in WebCore. When an SVG set object is appended to an SVG marker element that is dereferenced, calls to the targetElement attribute will fail to reference count the marker element. When the set element is appended to another object, subsequent calls to the targetElement attribute will result in a heap corruption which can be leveraged to execute arbitrary code under the context of the current user.
CVE Information:
CVE-2009-1709
Disclosure Timeline:
2008-11-10 - Vulnerability reported to vendor
2009-06-08 - Coordinated public release of advisory
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