CVE-2020-13361 Memory corruption in n/a
Guest OS users can trigger out-of-bounds memory access in QEMU's ES1370 audio device, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13361?
CVE-2020-13361 is a low-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 28 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In QEMU 5.0.0 and earlier, es1370_transfer_audio in hw/audio/es1370.c does not properly validate the frame count, which allows guest OS users to trigger an out-of-bounds access during an es1370_write() operation.
Weakness: CWE-787
Which versions are affected by CVE-2020-13361?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap, Qemu Qemu.
How do I fix CVE-2020-13361?
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-2020-13361 being exploited?
There is no known exploitation of CVE-2020-13361 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-13361, GHSA-48jr-qqfg-77f3, UBUNTU-CVE-2020-13361.