CVE-2019-14694

Public Exploit

Description

A use-after-free flaw in the sandbox container implemented in cmdguard.sys in Comodo Antivirus 12.0.0.6870 can be triggered due to a race condition when handling IRP_MJ_CLEANUP requests in the minifilter for directory change notifications. This allows an attacker to cause a denial of service (BSOD) when an executable is run inside the container.

Category

4.7
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory blogspot.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rce4fun.blogspot.com/2019/08/comodo-antivirus-sandbox-race-condition.html third party advisory exploit
https://github.com/SouhailHammou/Exploits/blob/master/CVE-2019-14694%20-%20Comodo%20AV%20Sandbox%20Race%20Condition%20UAF/comodo_av_uaf_poc.c patch

Frequently Asked Questions

What is the severity of CVE-2019-14694?
CVE-2019-14694 has been scored as a medium severity vulnerability.
How to fix CVE-2019-14694?
To fix CVE-2019-14694, 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-2019-14694 being actively exploited in the wild?
It is possible that CVE-2019-14694 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.
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