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TITLE:
CMS Made Simple PHP "eval()" Injection Vulnerability

SECUNIA ADVISORY ID:
SA26928

VERIFY ADVISORY:
http://secunia.com/advisories/26928/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
CMS Made Simple 1.x
http://secunia.com/product/13129/

DESCRIPTION:
irk4z has discovered a vulnerability in CMS Made Simple, which can be
exploited by malicious people to compromise a vulnerable system.

Input passed to the "last_module" parameter in
lib/adodb_lite/adodb-perf-module.inc.php is not properly sanitised
before being used in a call to "eval()". This can be exploited to
inject and execute arbitrary PHP code via a specially crafted
parameter value.

Successful exploitation requires that "register_globals" is enabled.

The vulnerability is confirmed in version 1.1.3.1. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
irk4z

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4442

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