CVE-2021-40424

Public Exploit

Description

An out-of-bounds read vulnerability exists in the IOCTL GetProcessCommand and B_03 of Webroot Secure Anywhere 21.4. A specially-crafted executable can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability. An out-of-bounds read vulnerability exists in the IOCTL GetProcessCommand and B_03 of Webroot Secure Anywhere 21.4. The GetProcessCommandLine IOCTL request could cause an out-of-bounds read in the device driver WRCore_x64. An attacker can issue an ioctl to trigger this vulnerability.

References

Link	Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1433	exploit third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2021-40424?: CVE-2021-40424 has been scored as a medium severity vulnerability.
How to fix CVE-2021-40424?: To fix CVE-2021-40424, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40424 being actively exploited in the wild?: It is possible that CVE-2021-40424 is being exploited or will be exploited in a near future based on public information. 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-2021-40424?: CVE-2021-40424 affects Webroot Secure Anywhere.

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Description

Category

CWE-125 – Out-of-bounds Read

References

Frequently Asked Questions