A vulnerability was found in Php4scripte Gastebuch 1.6. It has been classified as problematic. This affects an unknown code of the file gastbuch.php. The manipulation of the argument start 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. The summary by CVE is:

Directory traversal vulnerability in gastbuch.php in Gästebuch (Gastebuch) 1.6 allows remote attackers to read arbitrary files via a .. (dot dot) in the start parameter.

The weakness was released 09/12/2011 with bd0rk (Website). The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2009-5093 since 09/09/2011. 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. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:gastbuch.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 (48644) and Exploit-DB (8027).

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Vendor

• Php4scripte

Name

• Gastebuch

Version

• 1.6

CPE 2.3info

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CPE 2.2info

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