A vulnerability was found in WHMCS WHMCompleteSolution. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the file submitticket.php. The manipulation of the argument report 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. The summary by CVE is:

Multiple directory traversal vulnerabilities in WHMCompleteSolution (WHMCS) 3.x and 4.x allow remote attackers to read arbitrary files via the templatefile parameter to (1) submitticket.php and (2) downloads.php, and (3) the report parameter to admin/reports.php.

The weakness was disclosed 12/13/2011 (Website). The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2011-4810 since 12/13/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as highly functional. By approaching the search of inurl:submitticket.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 OSVDB (77754†). The entry VDB-59680 is pretty similar.

Productinfo

Vendor

• WHMCS

Name

• WHMCompleteSolution

Version

• 3.0.0
• 4.0.0
• 4.0.1
• 4.0.2
• 4.1.0
• 4.1.1
• 4.1.2
• 4.2.0
• 4.2.1
• 4.3.0
• 4.3.1
• 4.4.0
• 4.4.1
• 4.4.2
• 4.5.0
• 4.5.1
• 4.5.2

CPE 2.3info

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CPE 2.2info

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