#VU28543 Path traversal in Simple File List - CVE-2020-12832

Vulnerability identifier: #VU28543

Vulnerability risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2020-12832

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Simple File List
Web applications / Modules and components for CMS

Vendor: Mitchell Bennis - Element Engage, LLC

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated attacker can send a specially crafted HTTP request and delete arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Simple File List: 1.0.1 - 4.2.7

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External links
https://ctulhu.me/2020/05/16/cve-2020-12832/
https://plugins.trac.wordpress.org/changeset/2302759
https://wordpress.org/plugins/simple-file-list/#developers
https://wpvulndb.com/vulnerabilities/10250/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.