[SA21442] Invision Power Board Threaded View Mode Security Bypass

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TITLE:
Invision Power Board Threaded View Mode Security Bypass

SECUNIA ADVISORY ID:
SA21442

VERIFY ADVISORY:
http://secunia.com/advisories/21442/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Invision Power Board 2.x
http://secunia.com/product/3705/

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

The vulnerability is caused due to an unspecified error in the
threaded view mode. This can be exploited to access posts outside of
an topic.

The vulnerability has been reported in version 2.1.7 and prior for
the 2.1.x branch (before 2006-08-10).

SOLUTION:
Apply patch for version 2.1.7.
http://forums.invisionpower.com/index.php?act=Attach&type=post&id=10207

The vulnerability has also been fixed in an updated 2.1.7 version.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://forums.invisionpower.com/index.php?&showtopic=225755

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