Use-after-free in Phoenix Contact GmbH products - CVE-2019-12871
Published: October 30, 2019
Vulnerability identifier: #VU22420
CSH Severity: High
CVSS v4: 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]
CVE-ID: CVE-2019-12871
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when parsing the BCP files. A remote attacker can exchange the original PC Worx or Config+ project file with the manipulated one on the application programming workstation and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Config+
PC Worx Express
PC Worx
PC Worx Express
PC Worx
How to mitigate CVE-2019-12871
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.