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TITLE:
Nukedit "groupid" Parameter Administrator Register Vulnerability

SECUNIA ADVISORY ID:
SA20348

VERIFY ADVISORY:
http://secunia.com/advisories/20348/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Nukedit 4.x
http://secunia.com/product/10231/

DESCRIPTION:
FarhadKey has discovered a vulnerability in Nukedit, which can be
exploited by malicious people to bypass certain security
restrictions.

Input passed to the "groupid" parameter in register.asp when
registering isn't properly verified, before it used to create users.
This can be exploited to register as an administrator by setting the
"groupid" parameter to "1".

The vulnerability has been confirmed in version 4.9.6. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified.

PROVIDED AND/OR DISCOVERED BY:
FarhadKey, KAPDA

ORIGINAL ADVISORY:
http://www.kapda.ir/advisory-337.html

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