Dirk Bartley nweb2fax 0.2/0.2.7 comm.php var_filename path traversal

Summaryinfo

A vulnerability labeled as problematic has been found in Dirk Bartley nweb2fax 0.2/0.2.7. This affects an unknown part of the file comm.php. The manipulation of the argument var_filename results in path traversal. This vulnerability is known as CVE-2008-6668. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Dirk Bartley nweb2fax 0.2/0.2.7. Affected is an unknown part of the file comm.php. The manipulation of the argument var_filename with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. CVE summarizes:

Multiple directory traversal vulnerabilities in nweb2fax 0.2.7 and earlier allow remote attackers to read arbitrary files via a .. (dot dot) in the (1) id parameter to comm.php and (2) var_filename parameter to viewrq.php.

The weakness was published 04/08/2009 (Website). The advisory is available at milw0rm.com. This vulnerability is traded as CVE-2008-6668 since 04/07/2009. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

A public exploit has been developed by dun and been published even before and not 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 294 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:comm.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 (43173), Exploit-DB (5856) and SecurityFocus (BID 29804†). Similar entry is available at VDB-47611. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Dirk Bartley

Name

• nweb2fax

Version

• 0.2
• 0.2.7

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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