QEMU CVE-2019-12067 Null Pointer Dereference Denial of Service Vulnerability

Description

QEMU is prone to a denial-of-service vulnerability. An attacker can exploit this issue to cause a denial-of-service condition.

Technologies Affected

• QEMU QEMU

Recommendations

Block external access at the network boundary, unless external parties require service.
If global access isn’t needed, filter access to the affected computer at the network boundary. Restricting access to If global access isn’t needed, filter access to the affected computer at the network boundary.

Run all software as a nonprivileged user with minimal access rights.
To limit the consequences of a successful exploit, run server processes within a restricted environment using facilities such as chroot or jail.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This may indicate exploit attempts or activity that results from successful exploits.

Updates are available. Please see the references or vendor advisory for more information.