ZDI-09-013: Mozilla Firefox XUL Linked Clones Double Free Vulnerability
ZDI-09-013: Mozilla Firefox XUL Linked Clones Double Free Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-09-013
March 5, 2009
-- CVE ID:
CVE-2009-0775
-- Affected Vendors:
Mozilla Firefox
-- Affected Products:
Mozilla Firefox 3.0.x
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-- 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:
http://www.mozilla.org/security/announce/2009/mfsa2009-08.html
-- Disclosure Timeline:
2009-01-19 - Vulnerability reported to vendor
2009-03-05 - Coordinated public release of advisory
-- Credit:
This vulnerability was discovered by:
* Anonymous
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