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TITLE:
Nodstrum MySQL Calendar Insecure Cookie Handling Vulnerability

SECUNIA ADVISORY ID:
SA33214

VERIFY ADVISORY:
http://secunia.com/advisories/33214/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Nodstrum MySQL Calendar 1.x
http://secunia.com/advisories/product/20816/

DESCRIPTION:
Osirys has discovered a vulnerability in Nodstrum MySQL Calendar,
which can be exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due to improper access restrictions when
accessing the administration interface. This can be exploited to
bypass the authentication mechanism and gain access to the
administration control panel by setting the "nodstrumCalendarV2"
cookie to "1".

The vulnerability is confirmed in version 1.2. Other versions may
also be affected.

SOLUTION:
Edit the source code and ensure that proper access restrictions are
implemented.

PROVIDED AND/OR DISCOVERED BY:
Osirys

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7513

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