Description
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.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_confirm
https://www.tenable.com/security/research/tra-2020-71
Scores
CVSS v3
7.5
EPSS
0.0100
EPSS Percentile
77.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-770
Status
published
Products (1)
rockwellautomation/factorytalk_linx
< 6.11
Published
Dec 29, 2020
Tracked Since
Feb 18, 2026