Vulnerability identifier: #VU21961

Vulnerability risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:U/RC:C]

CVE-ID: CVE-2018-16774

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HongCMS
Web applications / CMS

Vendor: HongCMS

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 attacker can send a specially crafted HTTP request to the admin/index.php/language/ajax?action=delete URL and delete arbitrary files on the system.

This vulnerability can be exploited via CSRF attack vector.

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

Vulnerable software versions

HongCMS: 3.0.0

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External links
http://github.com/Neeke/HongCMS/issues/6

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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.