#VU93817 Template Injection in HFS - CVE-2024-23692

Vulnerability identifier: #VU93817

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2024-23692

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
HFS
Server applications / File servers (FTP/HTTP)

Vendor: rejetto

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote non-authenticated attacker can send a specially crafted HTTP request to the server and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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

Vulnerable software versions

HFS: 2.2c - 2.3

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External links
https://vulncheck.com/advisories/rejetto-unauth-rce
https://mohemiv.com/all/rejetto-http-file-server-2-3m-unauthenticated-rce/
https://github.com/rapid7/metasploit-framework/pull/19240
https://asec.ahnlab.com/en/67650/

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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?

Yes. This vulnerability is being exploited in the wild.