CVE-2018-5528 Denial of service in BIG-IP (APM)

Medium 5.3 Published Updated

Attackers can cause a denial of service by triggering a TMM restart and core file generation during APM data processing on BIG-IP devices.

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-2018-5528?

CVE-2018-5528 is a medium-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 27 Jun 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Under certain conditions, TMM may restart and produce a core file while processing APM data on BIG-IP 13.0.1 or 13.1.0.4-13.1.0.7.

Weakness: CWE-20

Which versions are affected by CVE-2018-5528?

It affects 1 product.

Products include F5 Big-Ip Access Policy Manager.

How do I fix CVE-2018-5528?

No fix has been published for CVE-2018-5528 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-2018-5528 being exploited?

There is no known exploitation of CVE-2018-5528 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-3h3m-wrpx-q44w.

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