#VU32891 Heap-based buffer overflow in OPC


Published: 2020-07-29

Vulnerability identifier: #VU32891

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14524

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OPC
Server applications / Other server solutions

Vendor: Softing AG

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can pass specially crafted data to the applicatoin, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OPC: 4.40.0 - 4.46.0


External links
http://ics-cert.us-cert.gov/advisories/icsa-20-210-02


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.


Latest bulletins with this vulnerability