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TITLE:
Plone PlonePAS Authentication Bypass Vulnerability

SECUNIA ADVISORY ID:
SA34840

VERIFY ADVISORY:
http://secunia.com/advisories/34840/

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

The vulnerability is caused due to an unspecified error within the
handling of the login form, which can be exploited by authenticated
users to hijack another user's account.

The vulnerability is reported in all versions of Plone 3.x.

SOLUTION:
Update to a fixed PlonePAS version.

Plone 3.0:
Update to version 3.2.2 of PlonePAS.
http://plone.org/products/plonepas/releases/3.2.2

Plone 3.1:
Update to version 3.9 of PlonePAS.
http://plone.org/products/plonepas/releases/3.9

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Karen Chan, Isotoma Limited

ORIGINAL ADVISORY:
http://plone.org/products/plone/security/advisories/cve-2009-0662

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