Tecrail Responsive FileManager 9.13.4 ajax_calls.php get_file path path traversal

Summaryinfo

A vulnerability described as critical has been identified in Tecrail Responsive FileManager 9.13.4. This vulnerability affects the function get_file of the file ajax_calls.php. The manipulation of the argument path as part of Parameter results in path traversal. This vulnerability was named CVE-2018-20792. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Tecrail Responsive FileManager 9.13.4. Affected is the function get_file of the file ajax_calls.php. The manipulation of the argument path as part of a Parameter 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. CVE summarizes:

tecrail Responsive FileManager 9.13.4 allows remote attackers to read arbitrary file via path traversal with the path parameter, through the get_file action in ajax_calls.php.

The bug was discovered 12/12/2018. The weakness was presented 02/25/2019 as EDB-ID 45987 as not defined exploit (Exploit-DB). The advisory is available at exploit-db.com. This vulnerability is traded as CVE-2018-20792 since 02/25/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 75 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:ajax_calls.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 Exploit-DB (45987). See VDB-131175, VDB-131176, VDB-131177 and VDB-131179 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Tecrail

Name

• Responsive FileManager

Version

• 9.13.4

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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