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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: tenable

Published: 2020-12-29T15:04:26

Updated: 2024-08-04T08:39:25.932Z

Reserved: 2020-01-06T00:00:00

Link: CVE-2020-5802

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-12-29T16:15:14.840

Modified: 2022-07-12T17:42:04.277

Link: CVE-2020-5802

cve-icon Redhat

No data.