CVE-2018-5508 Denial of service in BIG-IP (PEM)
Attackers can crash the Traffic Management Microkernel by sending compressed data through a Virtual Server with specific PEM profile settings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-5508?
CVE-2018-5508 is a medium-severity denial of service vulnerability in F5 Big-Ip Policy Enforcement Manager, published on 13 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On F5 BIG-IP PEM versions 13.0.0, 12.0.0-12.1.3.1, 11.6.0-11.6.2, 11.5.1-11.5.5, or 11.2.1, under certain conditions, TMM may crash when processing compressed data though a Virtual Server with an associated PEM profile using the content insertion option.
Which versions are affected by CVE-2018-5508?
It affects 1 product.
Products include F5 Big-Ip Policy Enforcement Manager.
How do I fix CVE-2018-5508?
No fix has been published for CVE-2018-5508 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-2018-5508 being exploited?
There is no known exploitation of CVE-2018-5508 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Policy Enforcement Manager
Sources
Also known as GHSA-8pm9-x397-wxmf.