cve/2019/CVE-2019-14694.md

CVE-2019-14694

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.

POC

Reference

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

Github

• https://github.com/alphaSeclab/sec-daily-2019