CVE-2019-7291 Denial of service in AirPort Base Station Firmware Update

Medium 6.5 Published 27 Oct 2020 Updated 4 Aug 2024

A privileged attacker can cause a denial of service on Apple AirPort Base Stations via improper memory handling.

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-2019-7291?

CVE-2019-7291 is a medium-severity denial of service vulnerability in Apple AirPort Base Station Firmware Update, published on 27 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A denial of service issue was addressed with improved memory handling. This issue is fixed in AirPort Base Station Firmware Update 7.8.1, AirPort Base Station Firmware Update 7.9.1. An attacker in a privileged position may be able to perform a denial of service attack.

Which versions are affected by CVE-2019-7291?

It affects 1 product.

Products include Apple Airport Base Station Firmware.

How do I fix CVE-2019-7291?

No fix has been published for CVE-2019-7291 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-2019-7291 being exploited?

There is no known exploitation of CVE-2019-7291 in the wild and no public exploit code.

Sources

Also known as GHSA-8r97-62cf-rx47.