CVE-2019-12871: Phoenix Contact Automationworx BCP File Parsing Use-After-Free Remote Code Execution Vulnerability
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.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Phoenix Contact Automationworx. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of BCP files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2019-12871?
CVE-2019-12871 is a vulnerability that allows remote attackers to execute arbitrary code on vulnerable installations of Phoenix Contact Automationworx.
How can this vulnerability be exploited?
To exploit this vulnerability, user interaction is required where the target must visit a malicious page or open a malicious file.
What is the affected software?
The affected software is Phoenix Contact Automationworx versions up to and including 1.86.
What is the severity of CVE-2019-12871?
The severity of CVE-2019-12871 is high, with a CVSS score of 8.8.
Are there any references related to this vulnerability?
Yes, you can find more information about CVE-2019-12871 at the following references: 1. [VDE-2019-014](https://cert.vde.com/en-us/advisories/vde-2019-014) 2. [ZDI-19-578](https://www.zerodayinitiative.com/advisories/ZDI-19-578/)