Mozilla Firefox Tag Parsing Code Execution Vulnerability
Vulnerability Details
This vulnerability allows attackers to execute arbitrary code on vulnerable installations of the Mozilla/Firefox web browser and Thunderbird e-mail client. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious e-mail.
The specific flaw exists within nsHTMLContentSink.cpp, during the parsing of HTML tags as they appear in a specific order. The flaw results in a memory corruption that leads to an attacker controlled function pointer dereference from the stack and eventually execution of arbitrary code.
Additional Details
Mozilla Firefox has issued an update to correct this vulnerability. More details can be found at:
http://www.mozilla.org/security/announce/2006/mfsa2006-18.html
Disclosure Timeline
- 2005-12-13 - Vulnerability reported to vendor
- 2006-04-17 - Coordinated public release of advisory
Credit
Anonymous
