NoneCms up to 1.3.0 Main.php parampath path traversal

Summaryinfo

A vulnerability was found in NoneCms up to 1.3.0. It has been classified as critical. The affected element is an unknown function of the file application/admin/controller/Main.php. This manipulation of the argument parampath with the input ..\ causes path traversal. This vulnerability is tracked as CVE-2018-6022. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in NoneCms up to 1.3.0. It has been declared as critical. Affected by this vulnerability is an unknown code block of the file application/admin/controller/Main.php. The manipulation of the argument parampath with the input value ..\ 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, and integrity. The summary by CVE is:

Directory traversal vulnerability in application/admin/controller/Main.php in NoneCms through 1.3.0 allows remote authenticated users to delete arbitrary files by leveraging back-office access to provide a ..\ in the param.path parameter.

The bug was discovered 01/22/2018. The weakness was disclosed 01/23/2018 (Website). It is possible to read the advisory at blackwolfsec.cc. This vulnerability is known as CVE-2018-6022 since 01/22/2018. The exploitation appears to be easy. The attack can be launched remotely. The requirement for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:application/admin/controller/Main.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 entry VDB-112328 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• NoneCms

Version

• 1.0
• 1.1
• 1.2
• 1.3.0

CPE 2.3info

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CPE 2.2info

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