Rockwell Automation RSLinx Classic ENGINE.dll Stack Buffer Overflow

High Nessus Plugin ID 119265

Synopsis

A SCADA application running on the remote host is affected by a remote code execution vulnerability.

Description

The RSLinx Classic running on the remote host is affected by a remote code execution vulnerability due to a stack buffer overflow condition when handling an EtherNet/IP message received on TCP port 44818. An unauthenticated, remote attacker can exploit this issue, via a specially crafted message, to execute arbitrary code.

Note that RSLinx Classic is reportedly affected by additional vulnerabilities; however, this plugin has not tested for these.

Solution

Patches are available for versions 4.00.01, 3.90.01, 3.81, 3.80, 3.74, and 3.60. See vendor Knowledgebase Article ID 1075712 for more details.

See Also

http://www.nessus.org/u?6c20ee64

https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02

Plugin Details

Severity: High

ID: 119265

File Name: scada_rslinx_classic_cve-2018-14829.nbin

Version: 1.2

Type: remote

Family: SCADA

Published: 2018/11/28

Modified: 2018/12/07

Dependencies: 83468

Risk Information

Risk Factor: High

CVSS Score Source: CVE-2018-14829

CVSS v2.0

Base Score: 7.5

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

CVSS v3.0

Base Score: 10

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

Vulnerability Information

CPE: cpe:/a:rockwellautomation:rslinx_classic

Required KB Items: SCADA/ethernetip/cip/tcp/identity/vendorname, SCADA/ethernetip/cip/tcp/identity/name

Patch Publication Date: 2018/09/20

Vulnerability Publication Date: 2018/09/20

Reference Information

CVE: CVE-2018-14829

ICSA: 18-263-02

TRA: TRA-2018-26

IAVB: 2018-B-0127