CVE-2020-5802

An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a specially crafted ConfigureItems message to TCP port 4241. This will cause an unhandled exception, resulting in termination of RSLinxNG.exe. Observed in FactoryTalk 6.11. All versions of FactoryTalk Linx are affected.

Score

CVSS 3.1 7.5 High

Status

Modified - vulnreport@tenable.com

Published

2020-12-29

Last modified

2024-08-04

Weaknesses

CWE-770

Affected products

• Factorytalk Linx (Rockwellautomation)

References

• https://www.tenable.com/security/research/tra-2020-71