CVE-2018-15617 Communication Manager Denial of Service

Medium 6.5 Published Updated

Remote unauthenticated attackers can cause denial of service in Avaya Aura Communication Manager via the Call Processor component.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-15617?

CVE-2018-15617 is a medium-severity denial of service vulnerability in Avaya Communication Manager, published on 1 Feb 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the "capro" (Call Processor) process component of Avaya Aura Communication Manager could allow a remote, unauthenticated user to cause denial of service. Affected versions include 6.3.x, all 7.x versions prior to 7.1.3.2, and all 8.x versions prior to 8.0.1.

Weakness: CWE-399

Which versions are affected by CVE-2018-15617?

It affects 1 product.

Products include Avaya Aura Communication Manager.

How do I fix CVE-2018-15617?

No fix has been published for CVE-2018-15617 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-2018-15617 being exploited?

There is no known exploitation of CVE-2018-15617 in the wild and no public exploit code.

Sources

Also known as GHSA-59mc-frhh-9q4g.

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