Rockwell Automation RSLinx Classic <= 4.00.01 Malformed CIP Packet Triggered Buffer Overflow (deprecated)

critical Nessus Network Monitor Plugin ID 720184
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Synopsis

Rockwell Automation RSLinx Classic allows a malformed CIP packet to cause buffer overflow or application crash.

Description

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote threat actor to intentionally send a malformed CIP packet to Port 44818, causing the software application to stop responding and crash. This vulnerability also has the potential to exploit a buffer overflow condition, which may allow the threat actor to remotely execute arbitrary code.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02,https://www.tenable.com/security/research/tra-2018-26

Plugin Details

Severity: Critical

ID: 720184

Family: SCADA

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference Information

CVE: CVE-2018-14829