CVE-2016-4306 Information disclosure in Total Security

Medium 5.5 Published Updated

An unprivileged user can trigger an information leak in the Kaspersky KLDISK driver to expose kernel memory, aiding in bypassing security mitigations.

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-2016-4306?

CVE-2016-4306 is a medium-severity vulnerability in Kaspersky Total Security, published on 6 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple information leaks exist in various IOCTL handlers of the Kaspersky Internet Security KLDISK driver. Specially crafted IOCTL requests can cause the driver to return out-of-bounds kernel memory, potentially leaking sensitive information such as privileged tokens or kernel memory addresses that may be useful in bypassing kernel mitigations. An unprivileged user can run a program from user-mode to trigger this vulnerability.

Weakness: CWE-200

Which versions are affected by CVE-2016-4306?

It affects 1 product.

Products include Kaspersky Total Security.

How do I fix CVE-2016-4306?

No fix has been published for CVE-2016-4306 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-4306 being exploited?

There is no known exploitation of CVE-2016-4306 in the wild and no public exploit code.

Sources

Also known as GHSA-7x8h-p499-xj9p.

Is CVE-2016-4306 in your software?

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

Check your SBOMs for free