#VU75733 Path traversal in DedeCMS - CVE-2023-30380

Vulnerability identifier: #VU75733

Vulnerability risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-30380

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DedeCMS
Web applications / CMS

Vendor: DesDev

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 in the "activepath" parameter the /dialog/select_media.php script. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

DedeCMS: 5.7.107

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External links
https://github.com/Howard512966/DedeCMS-v5.7.107-Directory-Traversal

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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.