CVE-2019-0365 Denial of service in SAP GUI for Java (BC-FES-JAV)

High 7.5 Published Updated

An attacker can crash or flood SAP Kernel and GUI services, preventing legitimate users from accessing 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-2019-0365?

CVE-2019-0365 is a high-severity denial of service vulnerability in SAP GUI for Java (BC-FES-JAV), published on 10 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SAP Kernel (RFC), KRNL32NUC, KRNL32UC and KRNL64NUC before versions 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64UC, before versions 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.73 and KERNEL before versions 7.21, 7.49, 7.53, 7.73, 7.76 SAP GUI for Windows (BC-FES-GUI) before versions 7.5, 7.6, and SAP GUI for Java (BC-FES-JAV) before version 7.5, allow an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.

Which versions are affected by CVE-2019-0365?

It affects 5 products.

Products include Sap Sap Kernel, Sap Sap Kernel Krnl32nuc, Sap Sap Kernel Krnl32uc, Sap Sap Kernel Krnl64nuc, Sap Sap Kernel Krnl64uc.

How do I fix CVE-2019-0365?

No fix has been published for CVE-2019-0365 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-2019-0365 being exploited?

There is no known exploitation of CVE-2019-0365 in the wild and no public exploit code.

Sources

Also known as GHSA-3jfh-7px5-vr77.

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