Supersimple Super Simple Blog Script 2.5.4 comments.php Entry path traversal

Summaryinfo

A vulnerability was found in Supersimple Super Simple Blog Script 2.5.4. It has been declared as problematic. This affects an unknown function of the file comments.php. Executing a manipulation of the argument Entry can lead to path traversal. This vulnerability is registered as CVE-2009-2552. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Supersimple Super Simple Blog Script 2.5.4 (Blog Software) and classified as critical. This vulnerability affects some unknown processing of the file comments.php. The manipulation of the argument entry with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple directory traversal vulnerabilities in comments.php in Super Simple Blog Script 2.5.4 allow remote attackers to overwrite, include, and execute arbitrary local files via the entry parameter.

The weakness was published 07/20/2009 (Website). The advisory is available at milw0rm.com. This vulnerability was named CVE-2009-2552 since 07/20/2009. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

A public exploit has been developed by JIKO and been published even before and not after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:comments.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 (51805), Exploit-DB (9179) and Secunia (SA35859†). Similar entry is available at VDB-49091. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Blog Software

Vendor

• Supersimple

Name

• Super Simple Blog Script

Version

• 2.5.4

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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