#VU22419 Access of Uninitialized Pointer in Phoenix Contact GmbH products - CVE-2019-12870

Vulnerability identifier: #VU22419

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-2019-12870

CWE-ID: CWE-824

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Config+
PC Worx Express
PC Worx

Software vendor:
Phoenix Contact GmbH

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

The vulnerability exists due to access of uninitialized pointer 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.

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

• https://cert.vde.com/en-us/advisories/vde-2019-014
• https://www.zerodayinitiative.com/advisories/ZDI-19-575/