#VU22420 Use-after-free in Phoenix Contact GmbH products - CVE-2019-12871
Published: October 30, 2019
Vulnerability identifier: #VU22420
Vulnerability risk: High
CVSSv4.0: 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:U/U:Amber
CVE-ID: CVE-2019-12871
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Config+
PC Worx Express
PC Worx
Config+
PC Worx Express
PC Worx
Software vendor:
Phoenix Contact GmbH
Phoenix Contact GmbH
Description
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.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.