A vulnerability classified as critical was found in In-Portal 4.3.1. Affected by this vulnerability is some unknown processing of the file index.php. The manipulation of the argument env 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. The summary by CVE is:

Directory traversal vulnerability in index.php in In-Portal 4.3.1, when magic_quotes_gpc is disabled, allows remote attackers to read arbitrary files via a .. (dot dot) in the env parameter.

The weakness was disclosed 08/25/2010 (Website). It is possible to read the advisory at vupen.com. This vulnerability is known as CVE-2009-4986 since 08/25/2010. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. 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 vulnerability database at Exploit-DB (9358).

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• In-Portal

Version

• 4.3.1

CPE 2.3info

• 🔍

CPE 2.2info

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