CVE-2022-1467

AVEVA InTouch Access Anywhere Exposure of Resource to Wrong Sphere

Description

Windows OS can be configured to overlay a “language bar” on top of any application. When this OS functionality is enabled, the OS language bar UI will be viewable in the browser alongside the AVEVA InTouch Access Anywhere and Plant SCADA Access Anywhere applications. It is possible to manipulate the Windows OS language bar to launch an OS command prompt, resulting in a context-escape from application into OS.

Remediation

Workaround:

  • AVEVA recommends the following mitigations: Disable the Windows language bar on the server machine hosting InTouch Access Anywhere and Plant SCADA Access Anywhere applications unless it is required. Create unique user accounts with minimal privileges dedicated only to remote access of InTouch Access Anywhere and Plant SCADA Access Anywhere applications. Utilize OS group policy objects (GPOs) to further restrict what those unique user accounts are allowed to do. Restrict access based on Microsoft’s recommended block list. For more information on this vulnerability, including security updates, please see security bulletin AVEVA-2022-001

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory aveva.com
Affected: AVEVA AVEVA InTouch Access Anywhere
Affected: AVEVA AVEVA Plant SCADA Access Anywhere
Published at:
Updated at:

References

Link Tags
https://www.aveva.com/en/support-and-success/cyber-security-updates/ vendor advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-130-05 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2022-1467?
CVE-2022-1467 has been scored as a high severity vulnerability.
How to fix CVE-2022-1467?
As a workaround for remediating CVE-2022-1467: AVEVA recommends the following mitigations: Disable the Windows language bar on the server machine hosting InTouch Access Anywhere and Plant SCADA Access Anywhere applications unless it is required. Create unique user accounts with minimal privileges dedicated only to remote access of InTouch Access Anywhere and Plant SCADA Access Anywhere applications. Utilize OS group policy objects (GPOs) to further restrict what those unique user accounts are allowed to do. Restrict access based on Microsoft’s recommended block list. For more information on this vulnerability, including security updates, please see security bulletin AVEVA-2022-001
Is CVE-2022-1467 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-1467 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-1467?
CVE-2022-1467 affects AVEVA AVEVA InTouch Access Anywhere, AVEVA AVEVA Plant SCADA Access Anywhere.
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