CVE-2016-4329 Denial of service in Total Security

Medium 5.5 Published Updated

A local attacker can cause application termination and bypass self-protection mechanisms by sending specific unhandled window messages to Kaspersky Anti-Virus.

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-2016-4329?

CVE-2016-4329 is a medium-severity denial of service 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

A local denial of service vulnerability exists in window broadcast message handling functionality of Kaspersky Anti-Virus software. Sending certain unhandled window messages, an attacker can cause application termination and in the same way bypass KAV self-protection mechanism.

Weakness: CWE-20

Which versions are affected by CVE-2016-4329?

It affects 3 products.

Products include Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security.

How do I fix CVE-2016-4329?

No fix has been published for CVE-2016-4329 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-4329 being exploited?

There is no known exploitation of CVE-2016-4329 in the wild and no public exploit code.

Sources

Also known as GHSA-g386-8w5p-9mq7.

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