#VU46026 Path traversal in Joomla! - CVE-2020-24597

Vulnerability identifier: #VU46026

Vulnerability risk: Medium

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

CVE-ID: CVE-2020-24597

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Joomla!
Web applications / CMS

Vendor: Joomla!

Description

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

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

Joomla!: 2.5.0 - 2.5.28, 3.0.0 - 3.0.4, 3.1.0 - 3.1.6, 3.2.0 - 3.2.7, 3.3.0 - 3.3.6, 3.4.0 - 3.4.8, 3.5.0 - 3.5.9, 3.6.0 - 3.6.5, 3.7.0 - 3.7.5, 3.8.0 - 3.8.13, 3.9.0 - 3.9.20

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External links
https://developer.joomla.org/security-centre/827-20200803-core-directory-traversal-in-com-media.html

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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.