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TITLE:
LokiCMS admin.php Authentication Bypass Vulnerability

SECUNIA ADVISORY ID:
SA30472

VERIFY ADVISORY:
http://secunia.com/advisories/30472/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, System access

WHERE:
>From remote

SOFTWARE:
LokiCMS 0.x
http://secunia.com/product/18260/

DESCRIPTION:
trueend5 has discovered a vulnerability in LokiCMS, which can be
exploited by malicious people to bypass certain security restrictions
and compromise a vulnerable system.

The vulnerability is caused due to improper checks for authentication
credentials in admin.php. This can be exploited to bypass security
restrictions and modify CMS settings by setting the "LokiACTION"
parameter to "A_SAVE_G_SETTINGS".

NOTE: The vulnerability can be exploited to execute arbitrary PHP
code by setting e.g. a specially crafted "header" parameter.

The vulnerability is confirmed in version 0.3.4. Other versions may
also be affected.

SOLUTION:
Restrict access to the admin.php script (e.g. via ".htaccess").

PROVIDED AND/OR DISCOVERED BY:
trueend5

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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.
Secunia does not advise people to install third party patches, only
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