#VU23768 Stack-based buffer overflow in PLC Editor


Published: 2019-12-20

Vulnerability identifier: #VU23768

Vulnerability risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-18236

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PLC Editor
Client/Desktop applications / Other client software

Vendor: WECON Technology Co., Ltd.

Description

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

The vulnerability exists due to a boundary error when processing project files. A remote unauthenticated attacker can send a specially crafted project file, trigger stack-based buffer overflow and execute arbitrary code on the target system under the privileges of the application.

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

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

Vulnerable software versions

PLC Editor: 1.3.5


External links
http://ics-cert.us-cert.gov/advisories/icsa-19-353-03


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