Description
Bugzilla 2.x through 4.0.x before 4.0.15, 4.1.x and 4.2.x before 4.2.11, 4.3.x and 4.4.x before 4.4.6, and 4.5.x before 4.5.6 does not ensure that a scalar context is used for certain CGI parameters, which allows remote attackers to conduct cross-site scripting (XSS) attacks by sending three values for a single parameter name.
References
- http://www.opennet.ru/opennews/art.shtml?num=40766
- MDVSA-2014:200 vendor-advisory
- http://packetstormsecurity.com/files/128578/Bugzilla-Account-Creation-XSS-Information-Leak.html
- 70257 vdb-entry
- [oss-security] 20141007 "New Class of Vulnerability in Perl Web Applications" mailing-list
- FEDORA-2014-12591 vendor-advisory
- http://www.reddit.com/r/netsec/comments/2ihen0/new_class_of_vulnerability_in_perl_web/
- http://blog.gerv.net/2014/10/new-class-of-vulnerability-in-perl-web-applications/
- http://advisories.mageia.org/MGASA-2014-0412.html
- http://www.bugzilla.org/security/4.0.14/
- GLSA-201607-11 vendor-advisory
- FEDORA-2014-12584 vendor-advisory
- FEDORA-2014-12530 vendor-advisory
- 1030978 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1075578