CVE-2019-14694 — MEDIUM (4.7)

Vulnerability 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.

CVSS Score

4.7

MEDIUM

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Comodo	Antivirus	12.0.0.6870

Related Weaknesses (CWE)

CWE-362 CWE-416

References

http://rce4fun.blogspot.com/2019/08/comodo-antivirus-sandbox-race-condition.htmlExploitThird Party Advisory
https://github.com/SouhailHammou/Exploits/blob/master/CVE-2019-14694%20-%20ComodPatch
http://rce4fun.blogspot.com/2019/08/comodo-antivirus-sandbox-race-condition.htmlExploitThird Party Advisory
https://github.com/SouhailHammou/Exploits/blob/master/CVE-2019-14694%20-%20ComodPatch

FAQ

What is CVE-2019-14694?

CVE-2019-14694 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 minifil...

How severe is CVE-2019-14694?

CVE-2019-14694 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-14694?

Check the references section above for vendor advisories and patch information. Affected products include: Comodo Antivirus.