#VU105745 Server-Side Request Forgery (SSRF) in OpenBMCS

Vulnerability identifier: #VU105745

Vulnerability risk: Critical

CVSSv4.0: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N/E:A/U:Red]

CVE-ID: N/A

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
OpenBMCS
Server applications / SCADA systems

Vendor: OpenBMCS

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input within the "/php/query.php" script. A remote attacker can send a specially crafted HTTP POST request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

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

Vulnerable software versions

OpenBMCS: 2.4

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External links
https://s4e.io/tools/openbmcs-unauth-ssrf-rfi-vulnerability-scanner
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5694.php

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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.