From: Secunia Security Advisories (sec-advsecunia.com)
Date: Fri Jun 30 2006 - 05:17:05 CDT

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Reverse Engineer Wanted

Secunia offers a Security Specialist position with emphasis on
reverse engineering of software and exploit code, auditing of
source code, and analysis of vulnerability reports.

http://secunia.com/secunia_security_specialist/

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TITLE:
Nuked-Klan Blocks Management Cross-Site Request Forgery

SECUNIA ADVISORY ID:
SA20898

VERIFY ADVISORY:
http://secunia.com/advisories/20898/

CRITICAL:
Less critical

IMPACT:
Hijacking

WHERE:
From remote

SOFTWARE:
Nuked-Klan 1.x
http://secunia.com/product/1015/

DESCRIPTION:
Blwood has discovered a vulnerability in Nuked-Klan, which can be
exploited by malicious people to conduct cross-site request forgery
attacks.

The vulnerability is caused due to the application allowing blocks to
be deleted via HTTP GET requests without performing any validity
checks to verify the request. This can be exploited by e.g. a
non-privileged user to delete arbitrary blocks via the Blocks
Management by tricking an administrative user into following a
specially crafted link while being authenticated.

Example:
http://[host]/index.php?file=Admin&page=block&op=del_block&bid=[block
ID]

The vulnerability has been confirmed in version 1.7.6 and has also
been reported in version 1.7 SP4.2. Other versions may also be
affected.

SOLUTION:
Do not browse untrusted web sites while being logged in to the
administration section.

PROVIDED AND/OR DISCOVERED BY:
Blwood

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