CVE-2020-12498: Phoenix Contact Automationworx PC WORX MWE File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

Published Jul 1, 2020
·
Updated

mwe file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier is vulnerable to out-of-bounds read remote code execution. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected 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 MWE files by the PC WORX and PC WORX Express executables. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Software

5 affected components
Phoenix Contact Automationworx
Phoenixcontact Pc Worx<1.87
Phoenixcontact Pc Worx Express<=1.87
Phoenix Contact PC Worx version 1.87 and prior
Phoenix Contact PC Worx Express version 1.87 and prior

Remediation

Information

With the next version of Automation Worx Software Suite (Version > 1.87) a sharpened input data validation with respect to buffer size and description of size and number of objects referenced in a file will be implemented.

Event History

Jul 1, 2020
CVE Published
via MITRE·03:52 PM
Data Sourced
via MITRE·03:52 PM
RemedyDescriptionSeverityWeakness
Aug 4, 2024
Advisory Published
via ZDI·12:04 PM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID of this vulnerability is CVE-2020-12498.

2

What is the severity rating of CVE-2020-12498?

The severity rating of CVE-2020-12498 is high (7.8).

3

How can remote attackers exploit CVE-2020-12498?

Remote attackers can exploit CVE-2020-12498 by executing arbitrary code on affected installations of Phoenix Contact Automationworx.

4

What user interaction is required to exploit CVE-2020-12498?

To exploit CVE-2020-12498, the target must visit a malicious page or open a malicious file.

5

What are the affected software versions of Phoenix Contact Automationworx?

The affected software versions of Phoenix Contact Automationworx include PC Worx (up to version 1.87) and PC Worx Express (up to version 1.87).

Contact

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