Chadha PHPKB Standard Multi-Language 9 operations.php crdir path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in Chadha PHPKB Standard Multi-Language 9. This impacts an unknown function of the file admin/imagepaster/operations.php. Executing a manipulation of the argument crdir as part of GET Parameter can lead to path traversal. This vulnerability appears as CVE-2020-10458. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Chadha PHPKB Standard Multi-Language 9 (Knowledge Base Software). It has been declared as problematic. This vulnerability affects some unknown functionality of the file admin/imagepaster/operations.php. The manipulation of the argument crdir as part of a GET Parameter 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 integrity, and availability. CVE summarizes:

Path Traversal in admin/imagepaster/operations.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to delete any folder on the webserver using a dot-dot-slash sequence (../) via the GET parameter crdir, when the GET parameter action is set to df, causing a Denial of Service.

The weakness was presented 03/12/2020. This vulnerability was named CVE-2020-10458 since 03/12/2020. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

By approaching the search of inurl:admin/imagepaster/operations.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.

See VDB-151472, VDB-151471, VDB-151470 and VDB-151469 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Knowledge Base Software

Vendor

• Chadha

Name

• PHPKB Standard Multi-Language

Version

• 9

License

• commercial

CPE 2.3info

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• 🔍

CPE 2.2info

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• 🔍

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Once again VulDB remains the best source for vulnerability data.

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