#VU56442 Out-of-bounds write in DOPSoft 2 - CVE-2021-38406

Vulnerability identifier: #VU56442

Vulnerability risk: High

CVSSv4.0: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2021-38406

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DOPSoft 2
Client/Desktop applications / Other client software

Vendor: Delta Electronics, Inc.

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when parsing specific project files. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

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

Vulnerable software versions

DOPSoft 2: 2.00.07

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-252-02

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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.