Twelve vulnerabilities were identified in Mozilla Suite and Firefox, which may be exploited by malicious web sites to execute arbitrary commands or conduct spoofing and cross site scripting attacks.
- An improper cloning of base objects could allow web content scripts to walk up the prototype chain to get to a privileged object, which could be exploited by attackers to execute arbitrary code [...]
Solution
Upgrade to Mozilla Firefox 1.0.6, Mozilla Suite 1.7.10 and Thunderbird 1.0.5 :
http://www.mozilla.org/products/
Credits
Vulnerabilities reported by moz_bug_r_a4, shutdown, Secunia, Michael Krax, Kohei Yoshino, Matthew Mastracci, Omar Khan, and Jochen.
ChangeLog
2005-07-12 : Initial release
2005-07-16 : Updated CVE
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