A vulnerability, which was classified as critical, was found in SimpCMS (the affected version is unknown). This affects an unknown code of the file index.php. The manipulation of the argument keyword with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SQL injection vulnerability in index.php in SimpCMS allows remote attackers to execute arbitrary SQL commands via the keyword parameter in a search site action.

The weakness was disclosed 09/18/2007 by Cold z3ro (Website). It is possible to read the advisory at milw0rm.com. This vulnerability is uniquely identified as CVE-2007-4953 since 09/18/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

A public exploit has been developed by Cold Zero and been published before and not just after the advisory. The exploit is shared for download at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:index.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (36640), Exploit-DB (4417) and SecurityFocus (BID 25688†).

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• SimpCMS

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