CVE-2019-14694 Use after free in n/a

What is CVE-2019-14694?

CVE-2019-14694 is a medium-severity use after free vulnerability in n/a, published on 28 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2019-14694?

It affects 1 product.

Products include Comodo Antivirus.

How do I fix CVE-2019-14694?

No fix has been published for CVE-2019-14694 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-14694 being exploited?

There is no known exploitation of CVE-2019-14694 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2022-34008 Privilege escalation in n/a High 7.8
• CVE-2019-3969 Privilege escalation in Comodo Antivirus High 7.8
• CVE-2019-14270 Privilege escalation in n/a High 7.1
• CVE-2019-3970 Missing authorization in Comodo Antivirus Medium 5.5
• CVE-2019-3971 Null dereference in Comodo Antivirus Medium 5.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-875m-q5c9-g9v7.