#VU66738 Insecure DLL loading in Secure Integration Server - CVE-2022-2334

Vulnerability identifier: #VU66738

Vulnerability risk: Low

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2022-2334

CWE-ID: CWE-427

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Secure Integration Server
Other software / Other software solutions

Vendor: Softing AG

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to the application searches for a library dll that is not found. A remote administrator can place a specially crafted .dll file and execute arbitrary code on target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Secure Integration Server: 1.22

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External links
https://www.cisa.gov/uscert/ics/advisories/icsa-22-228-04
https://industrial.softing.com/fileadmin/psirt/downloads/syt-2022-5.html
https://www.zerodayinitiative.com/advisories/ZDI-22-1154/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.