CVE-2019-12870 Memory corruption in n/a

High 8.8 Published 24 Jun 2019 Updated 4 Aug 2024

Attackers can achieve remote code execution by tricking users into opening a manipulated project file in PHOENIX CONTACT PC Worx or Config+.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-12870?

CVE-2019-12870 is a high-severity memory corruption vulnerability in n/a, published on 24 Jun 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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 an Uninitialized Pointer 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.

Weakness: CWE-824

Which versions are affected by CVE-2019-12870?

It affects 1 product.

Products include Phoenixcontact Automationworx Software Suite.

How do I fix CVE-2019-12870?

No fix has been published for CVE-2019-12870 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-12870 being exploited?

There is no known exploitation of CVE-2019-12870 in the wild and no public exploit code.

Sources

Also known as GHSA-q6f5-9m85-j5v5.