CVE-2013-4536 Memory corruption in qemu

High 7.8 Published 28 May 2021 Updated 6 Aug 2024

An attacker with access to savevm data can corrupt QEMU memory, potentially executing arbitrary code on the host system.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2013-4536?

CVE-2013-4536 is a high-severity memory corruption vulnerability in Qemu Qemu, published on 28 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.

Weakness: CWE-269

Which versions are affected by CVE-2013-4536?

It affects 1 product.

Products include Qemu Qemu.

How do I fix CVE-2013-4536?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2013-4536 being exploited?

There is no known exploitation of CVE-2013-4536 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4536, GHSA-9gq4-xvgv-m3gv, UBUNTU-CVE-2013-4536.