Media File Manager Plugin 1.4.2 on WordPress wp-admin/admin-ajax.php mrelocator_getdir path traversal

Summaryinfo

A vulnerability categorized as critical has been discovered in Media File Manager Plugin 1.4.2 on WordPress. Affected by this issue is the function mrelocator_getdir of the file wp-admin/admin-ajax.php. The manipulation of the argument dir with the input ../ results in path traversal. This vulnerability is reported as CVE-2018-19040. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Media File Manager Plugin 1.4.2 on WordPress (WordPress Plugin). It has been classified as critical. Affected is the function mrelocator_getdir of the file wp-admin/admin-ajax.php. The manipulation of the argument dir with the input value ../ 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, integrity, and availability. CVE summarizes:

The Media File Manager plugin 1.4.2 for WordPress allows directory listing via a ../ directory traversal in the dir parameter of an mrelocator_getdir action to the wp-admin/admin-ajax.php URI.

The bug was discovered 05/11/2018. The weakness was disclosed 01/31/2019 as EDB-ID 45809 as not defined exploit (Exploit-DB). The advisory is available at exploit-db.com. This vulnerability is traded as CVE-2018-19040 since 11/06/2018. 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 265 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:wp-admin/admin-ajax.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 (45809). The entries VDB-130363, VDB-130364 and VDB-130365 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• WordPress Plugin

Name

• Media File Manager Plugin

Version

• 1.4.2

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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