Denial of service in Triangle Microworks Libraries

1) Improper access control

EUVDB-ID: #VU67060

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-38138

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to access given to a small number of uninitialized pointers within their code. A remote attacker can bypass implemented security restrictions and perform a denial of service (DoS) attack. on the system.

Mitigation

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

Vulnerable software versions

TMW IEC 61850 Software Library: 5.0.1 - 11.2.0

TMW IEC 60870-6 (ICCP/TASE.2) Software Library: 4.4.3

External links

http://ics-cert.us-cert.gov/advisories/icsa-22-249-01

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.