Mozilla Firefox XUL Linked Clones Double Free Vulnerability
ZDI-09-013: March 5th, 2009CVE ID
Affected Vendors
Affected Products
TippingPoint™ IPS Customer Protection
TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 6870. For further product information on the TippingPoint IPS:Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.
The specific flaw exists during the browsers garbage collection process. When multiple DOM elements are cloned and linked to one another and the browser is reloaded, a memory corruption occurs resulting in a double free. This can be leveraged to execute arbitrary code under the context of the current user.
Vendor Response
Mozilla Firefox has issued an update to correct this vulnerability. More details can be found at:Disclosure Timeline
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2009-01-19 - Vulnerability reported to vendor
2009-03-05 - Coordinated public release of advisory
Credit
This vulnerability was discovered by:-
Anonymous
