Siemens Concurrent Execution Using Shared Resource with Improper Synchronization in Wind River VxWorks (CVE-2019-12263)

high Tenable OT Security Plugin ID 500063

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4). There is an IPNET security vulnerability: TCP Urgent Pointer state confusion due to race condition.

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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/

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009

https://support2.windriver.com/index.php?page=security-notices

https://www.cisa.gov/news-events/ics-advisories/icsa-19-274-01

https://security.netapp.com/advisory/ntap-20190802-0001/

http://www.nessus.org/u?871467cf

http://www.nessus.org/u?c7d3d59d

https://support.f5.com/csp/article/K41190253

https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf

https://www.cisa.gov/news-events/ics-advisories/icsa-19-211-01

Plugin Details

Severity: High

ID: 500063

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: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2019-12263

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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-2019-12263

CWE: 362, 787

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