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

Summaryinfo

A vulnerability marked as critical has been reported in Media File Manager Plugin 1.4.2 on WordPress. This issue affects some unknown processing of the file wp-admin/admin-ajax.php. Performing a manipulation of the argument from/to with the input ../ results in path traversal. This vulnerability is known as CVE-2018-19043. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Media File Manager Plugin 1.4.2 on WordPress (WordPress Plugin). This affects an unknown code of the file wp-admin/admin-ajax.php. The manipulation of the argument from/to 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. The summary by CVE is:

The Media File Manager plugin 1.4.2 for WordPress allows arbitrary file renaming (specifying a "from" and "to" filename) via a ../ directory traversal in the dir parameter of an mrelocator_rename action to the wp-admin/admin-ajax.php URI.

The bug was discovered 05/11/2018. The weakness was published 01/31/2019 as EDB-ID 45809 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2018-19043 since 11/06/2018. 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 and a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

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). Similar entries are available at VDB-130362, VDB-130363 and VDB-130364. If you want to get the best quality for vulnerability data then you always have to consider 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 the best quality for vulnerability data then you always have to consider VulDB.

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