Siemens Improper Neutralization of Argument Delimiters in a Command in Wind River VxWorks (CVE-2019-12258)

high Tenable OT Security Plugin ID 500067

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component. This is a IPNET security vulnerability:
DoS of TCP connection via malformed TCP options.

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Wind River has produced controls and patches to mitigate the reported vulnerabilities. To obtain patches, email [email protected] and indicate the VxWorks major version for which you need source patches.

For more detailed information on the vulnerabilities and the mitigating controls, please see the Wind River advisory at:
https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/

Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:

Rockwell Automation (login required) - https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1088561

Xerox - https://security.business.xerox.com/en-us/news/wind-river-vxworks-ipnet-tcp-ip-stack-vulnerabilities/

Dräger – https://static.draeger.com/security

Schneider Electric – https://www.se.com/ww/en/download/document/SESB-2019-214-01/

Plugin Details

Severity: High

ID: 500067

Version: 1.14

Type: remote

Family: Tenable.ot

Published: 2/7/2022

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-12258

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:siprotec_5_cp300_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 8/9/2019

Vulnerability Publication Date: 8/9/2019

Reference Information

CVE: CVE-2019-12258

CWE: 384

ICSA: 19-211-01, 19-274-01

Detections

Analytics