ZDI-09-065: Mozilla Firefox TreeColumns Dangling Pointer Vulnerability
https://www.zerodayinitiative.com/advisories/ZDI-09-065
September 10, 2009

-- CVE ID:
CVE-2009-3077

-- Affected Vendors:
Mozilla Firefox

-- Affected Products:
Mozilla Firefox 3

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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 redrawing of tree columns contained
within a XUL document. Due to the reuse of a previously freed object,
attacker controlled memory can be executed. Successful exploitation of
this vulnerability can lead to remote compromise of the affected system
under the credentials of the currently logged in user.

-- Vendor Response:
Mozilla Firefox has issued an update to correct this vulnerability. More
details can be found at:

https://www.mozilla.org/security/announce/2009/mfsa2009-49.html

-- Disclosure Timeline:
2009-07-28 - Vulnerability reported to vendor
2009-09-10 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

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