TITLE:
JiRo's Banner System Professional Authentication Bypass Vulnerability

SECUNIA ADVISORY ID:
SA19184

VERIFY ADVISORY:
http://secunia.com/advisories/19184/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
JiRo's Banner System Professional 1.x
http://secunia.com/product/8655/

DESCRIPTION:
Mustafa Can Bjorn has reported a vulnerability in JiRo's Banner
System Professional, which can be exploited by malicious people to
bypass certain security restrictions.

The vulnerability is caused due to an error in the authentication
process. This can be exploited to add new administrators by sending a
specially crafted POST request to "files/update.asp?Action=AddAdmin".

The vulnerability has been reported in version 1.0 and prior. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that administrators are properly
authenticated.

PROVIDED AND/OR DISCOVERED BY:
Mustafa Can Bjorn

ORIGINAL ADVISORY:
http://www.nukedx.com/?viewdoc=19

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