CVE-2018-2433 Denial of service in SAP Gateway

High 7.5 Published 10 Jul 2018 Updated 5 Aug 2024

An attacker can prevent legitimate users from accessing SAP Gateway services by crashing or flooding the system.

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-2018-2433?

CVE-2018-2433 is a high-severity denial of service vulnerability in SAP Gateway, published on 10 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SAP Gateway (SAP KERNEL 32 NUC, SAP KERNEL 32 Unicode, SAP KERNEL 64 NUC, SAP KERNEL 64 Unicode 7.21, 7.21EXT, 7.22 and 7.22EXT; SAP KERNEL 7.21, 7.22, 7.45, 7.49 and 7.53) allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.

Which versions are affected by CVE-2018-2433?

It affects 1 product.

Products include Sap Sap Kernel.

How do I fix CVE-2018-2433?

No fix has been published for CVE-2018-2433 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-2018-2433 being exploited?

There is no known exploitation of CVE-2018-2433 in the wild and no public exploit code.

Sources

Also known as GHSA-wv65-jfgx-wm66.