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.
Published: 2020-12-29
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-26959 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

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Rockwellautomation Factorytalk Linx
cve-icon MITRE

Status: PUBLISHED

Assigner: tenable

Published:

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

Reserved: 2020-01-06T00:00:00.000Z

Link: CVE-2020-5802

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2024-11-21T05:34:37.430

Link: CVE-2020-5802

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses