PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.
Advisories
Source ID Title
EUVD EUVD EUVD-2020-4799 PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.
Fixes

Solution

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.


Workaround

We strongly recommend customers to exchange project files only using secure file exchange services. Project files should not be exchanged via unencrypted email. In addition, we recommend exchanging or storing project files together with a checksum to ensure their integrity.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2024-08-04T11:56:52.059Z

Reserved: 2020-04-30T00:00:00

Link: CVE-2020-12497

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-07-01T16:15:12.853

Modified: 2024-11-21T04:59:48.283

Link: CVE-2020-12497

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.