Fiyo CMS 2.0.7 backuper.php path traversal

Summaryinfo

A vulnerability has been found in Fiyo CMS 2.0.7 and classified as problematic. This affects an unknown part of the file dapur\apps\app_config\controller\backuper.php. The manipulation leads to path traversal. This vulnerability is listed as CVE-2017-11630. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Fiyo CMS 2.0.7 (Content Management System) and classified as critical. This issue affects an unknown part of the file dapur\apps\app_config\controller\backuper.php. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity, and availability. The summary by CVE is:

dapur\apps\app_config\controller\backuper.php in Fiyo CMS 2.0.7 allows remote attackers to delete arbitrary files via directory traversal sequences in the file parameter in a type=database request, a different vulnerability than CVE-2017-8853.

The bug was discovered 07/20/2017. The weakness was presented 07/26/2017 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2017-11630 since 07/25/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. 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.

See VDB-104514 and VDB-104509 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Fiyo

Name

• CMS

Version

• 2.0.7

License

• open-source

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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