A vulnerability, which was classified as critical, has been found in Quirm ESPG 1.72. This issue affects an unknown code block. The manipulation of the argument file with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. The summary by CVE is:

Directory traversal vulnerability in gallery/comment.php in Enhanced Simple PHP Gallery (ESPG) 1.72 allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter. NOTE: the vulnerability may be in my little homepage Comment script. If so, then this should not be treated as a vulnerability in ESPG.

The weakness was presented 01/29/2009 with bd0rk (Website). It is possible to read the advisory at milw0rm.com. The identification of this vulnerability is CVE-2009-0331 since 01/29/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

A public exploit has been developed by bd0rk and been published before and not just after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k.

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 (48087) and Exploit-DB (7819).

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Vendor

• Quirm

Name

• ESPG

Version

• 1.72

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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