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TITLE:
Bugzilla "createemailregexp" Security Bypass Vulnerability

SECUNIA ADVISORY ID:
SA26848

VERIFY ADVISORY:
http://secunia.com/advisories/26848/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Bugzilla 2.x
http://secunia.com/product/396/
Bugzilla 3.x
http://secunia.com/product/15437/

DESCRIPTION:
A vulnerability has been reported in Bugzilla, which can be exploited
by malicious people to bypass certain security restrictions.

The vulnerability is caused due to the "offer_account_by_email()"
function in WebService/User.pm improperly checking the
"createemailregexp" parameter. This can be exploited to create user
accounts on systems where the "SOAP::Lite" perl module is installed.

The vulnerability is reported in Bugzilla versions after 2.23.2 and
prior to 3.0.2 and 3.1.2.

SOLUTION:
Update to 3.0.2 or 3.1.2.
http://www.bugzilla.org/download/

Apply the vendor patches.
Bugzilla 2.23.x and 3.0.x:
https://bugzilla.mozilla.org/attachment.cgi?id=280385

Bugzilla 3.1.x.:
https://bugzilla.mozilla.org/attachment.cgi?id=280316

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Sascha Jensen and Frédéric Buclin.

ORIGINAL ADVISORY:
http://www.bugzilla.org/security/3.0.1/

https://bugzilla.mozilla.org/show_bug.cgi?id=395632

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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