PT-2019-3561 · Rockwell Automation · Rslinx Classic

Published 2019-04-04 · Updated 2020-10-06 · CVE-2019-6553

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Rockwell Automation RSLinx Classic versions 4.10.00 and prior

Description A vulnerability was found in RSLinx Classic due to an input validation issue in a .dll file. This issue allows an attacker to exploit a stack-based buffer overflow condition by passing data in a Forward Open service request to a fixed size buffer. The exploitation of this vulnerability may impact the confidentiality, integrity, and availability of protected information.

Recommendations For versions 4.10.00 and prior, update to a version later than 4.10.00 to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-787

CWE-119

Related Identifiers

BDU:2019-03755

CVE-2019-6553

Affected Products

Rslinx Classic

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2019-6553 · Security Note
• https://osv.dev/vulnerability/CVE-2019-6553 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-03755 · Security Note
• https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01 · Note
• https://us-cert.gov/ics/advisories/ICSA-19-064-01 · Note