CVE-2019-3970 Missing authorization in Comodo Antivirus

Medium 5.5 Published Updated

A local attacker can modify antivirus definition files via insecure global section objects, bypassing security protections.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-3970?

CVE-2019-3970 is a medium-severity missing authorization vulnerability in Comodo Antivirus, published on 17 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Comodo Antivirus versions up to 12.0.0.6810 are vulnerable to Arbitrary File Write due to Cavwp.exe handling of Comodo's Antivirus database. Cavwp.exe loads Comodo antivirus definition database in unsecured global section objects, allowing a local low privileged process to modify this data directly and change virus signatures.

Weakness: CWE-668

Which versions are affected by CVE-2019-3970?

It affects 1 product.

Products include Comodo Antivirus.

How do I fix CVE-2019-3970?

No fix has been published for CVE-2019-3970 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-3970 being exploited?

There is no known exploitation of CVE-2019-3970 in the wild and no public exploit code.

Sources

Also known as GHSA-2275-cfh4-2ph7.

Is CVE-2019-3970 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free