Summaryinfo

A vulnerability marked as critical has been reported in Fiyo CMS 2.0.7. The impacted element is an unknown function of the file dapur/apps/app_config/controller/backuper.php. Performing a manipulation of the argument File results in path traversal. This vulnerability is known as CVE-2017-8853. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Fiyo CMS 2.0.7 (Content Management System). This affects an unknown code of the file dapur/apps/app_config/controller/backuper.php. The manipulation of the argument file 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, and integrity. The summary by CVE is:

Fiyo CMS v2.0.7 has an arbitrary file delete vulnerability in dapur/apps/app_config/controller/backuper.php via directory traversal in the file parameter during an act=db action.

The bug was discovered 05/09/2017. The weakness was published 05/09/2017 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-8853 since 05/09/2017. 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 are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

By approaching the search of inurl:dapur/apps/app_config/controller/backuper.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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Fiyo

Name

• CMS

Version

• 2.0.7

License

• open-source

CPE 2.3info

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CPE 2.2info

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