A weakness has been identified in Bugzilla, which could be exploited by attackers to bypass security restrictions. This issue is caused by an error in the "offer_account_by_email()" [WebService/User.pm] function that does not properly validate the "createemailregexp" parameter, which could be exploited by malicious people to create user accounts on a system with the SOAP::Lite Perl module installed even when the account creation feature is disabled.
Credits
Vulnerability reported by Sascha Jensen, Frédéric Buclin, Max Kanat-Alexander and Marc Schumann.
ChangeLog
2007-09-19 : Initial release
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