Vulnerability identifier: #VU13121

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10621

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Delta Industrial Automation DOPSoft
Client/Desktop applications / Other client software

Vendor: Delta Electronics, Inc.

Description

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The vulnerability exists due to the application utilizes a fixed-length stack buffer where a value larger than the buffer can be read from a .dpa file into the buffer. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause the service to crash or execute arbitrary code with elevated privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Delta Industrial Automation DOPSoft: All versions

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-151-01

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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?

No. We are not aware of malware exploiting this vulnerability.