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TITLE:
Bugzilla Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA33781

VERIFY ADVISORY:
http://secunia.com/advisories/33781/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Bugzilla 3.x
http://secunia.com/advisories/product/15437/

DESCRIPTION:
Some vulnerabilities and a security issue have been reported in
Bugzilla, which can be exploited by malicious users to conduct script
insertion attacks and by malicious people to potentially disclose
sensitive information or to conduct cross-site request forgery
attacks.

1) A vulnerability is caused due to the application allowing users to
upload HTML or Javascript attachments that can be viewed by other
users in their web browser. This can be exploited to insert arbitrary
HTML and script code, which is executed in a user's browser session in
context of an affected site when the malicious attachment is viewed.

This vulnerability is reported in versions prior to 3.0.7, 3.2.1, and
3.3.2.

2) A vulnerability is caused due to the application allowing users to
perform certain actions via HTTP requests without performing any
validity checks to verify the request. This can be exploited to e.g.
submit changes via process_bug.cgi by enticing a logged in user to
visit a malicious web page.

This vulnerability is reported in version prior to 3.2.1 and 3.3.2.

3) A vulnerability is caused due to the application allowing users to
perform certain actions via HTTP requests without performing any
validity checks to verify the request. This can be exploited to
perform certain actions (e.g. update a user's preference or delete
saved searches) by enticing a logged in user to visit a malicious web
page.

This vulnerability is reported in versions prior to 3.0.7, 3.2.1, and
3.3.2.

4) A security issue is caused due to the application calling srand()
at compile time, which leads to predictable tokens when using
"mod_perl". This can e.g. be exploited to bypass the cross-site
request forgery protection, or to disclose sensitive information when
the "attachment_base" functionality is used.

This vulnerability only affects version 3.2.1, 3.0.7, and 3.3.2.

SOLUTION:
Update to version 3.2.2 or 3.3.3.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1 - 3) Frédéric Buclin, Stephen Lee, Jesse Ruderman, Terry Weissman,
Max Kanat-Alexander, Teemu Mannermaa, and the Mozilla Corporation
4)  Philippe M. Chiasson, Dave Miller, Max Kanat-Alexander

ORIGINAL ADVISORY:
http://www.bugzilla.org/security/2.22.6/
http://www.bugzilla.org/security/3.0.7/

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