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TITLE:
Ragnarok Online Control Panel Authentication Bypass Vulnerability

SECUNIA ADVISORY ID:
SA16287

VERIFY ADVISORY:
http://secunia.com/advisories/16287/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Ragnarok Online Control Panel (ROCP) 4.x
http://secunia.com/product/5463/

DESCRIPTION:
VaLiuS has reported a vulnerability in Ragnarok Online Control Panel,
which can be exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due to an error in the authentication
process when checking page access. This can be exploited to bypass
the authentication process via a specially crafted URL with an
appended non-restricted page.

Example:
http://[host]/[script]/login.php

Successful exploitation requires that files are served from an Apache
HTTP server.

The vulnerability has been reported in version 4.3.4a. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that the authentication process is
properly performed.

PROVIDED AND/OR DISCOVERED BY:
VaLiuS

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
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