CVE-2019-12871 Information

Description

An issue was discovered in PHOENIX CONTACT PC Worx through 1.86 PC Worx Express through 1.86 and Config+ through 1.86. A manipulated PC Worx or Config+ project file could lead to a Use-After-Free and remote code execution. The attacker needs to get access to an original PC Worx or Config+ project file to be able to manipulate it. After manipulation the attacker needs to exchange the original file with the manipulated one on the application programming workstation.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://cert.vde.com/en-us/advisories/vde-2019-014 https://www.zerodayinitiative.com/advisories/ZDI-19-578/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8