CVE-2022-4990 ASUS CVE debrief

Who should care

Users of ASUS AI Suite 3 driver, system administrators, security teams, and vulnerability management teams should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes reviewing the ASUS Security Advisory, applying patches or updates, and monitoring system logs for suspicious activity.

Technical summary

CVE-2022-4990 is an Improper Validation of Specified Quantity in Input vulnerability in the ASUS AI Suite 3 driver. This vulnerability allows a local user to bypass security validation and access restricted memory blocks via crafted IOCTL requests, leading to privilege escalation. The vulnerability has a CVSS score of 7.3 and is classified as HIGH severity. The CVE record and NVD entry provide limited information about this vulnerability, and further investigation and testing may be necessary to fully understand the impact and exploitability.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, as it can lead to privilege escalation.

Recommended defensive actions

• Apply the patch or update provided by the vendor
• Restrict access to the affected system
• Monitor system logs for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide limited information about this vulnerability. Further investigation and testing may be necessary to fully understand the impact and exploitability of this vulnerability. The ASUS Security Advisory may contain additional information and guidance on patching or mitigating this vulnerability. Defenders should verify the affected scope, severity, and vendor guidance to ensure proper remediation.

Official resources