Advisory Details

September 13th, 2010

Mozilla Firefox nsTreeSelection Dangling Pointer Remote Code Execution Vulnerability

ZDI-10-173
ZDI-CAN-903

CVE ID CVE-2010-2760
CVSS SCORE 9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)
AFFECTED VENDORS Mozilla Firefox
AFFECTED PRODUCTS 3.6.x
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 10035. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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 or open a malicious file.

The specific flaw exists within the fix implemented for CVE-2010-2753 in the nsTreeSelection interface. In a certain condition, the application still can be made to free a reference and then made to use said freed reference. This can lead to code execution under the context of the application.

ADDITIONAL DETAILS Mozilla Firefox has issued an update to correct this vulnerability. More details can be found at:
http://www.mozilla.org/security/announce/2010/mfsa2010-54.html
DISCLOSURE TIMELINE
  • 2010-08-09 - Vulnerability reported to vendor
  • 2010-09-13 - Coordinated public release of advisory
CREDIT regenrecht
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