CVE-2022-1286 heap-buffer-overflow in mrb_vm_exec in mruby/mruby in mruby/mruby

Medium 5.9 Published 10 Apr 2022 Updated 2 Aug 2024

A heap-buffer-overflow in the mruby library allows attackers to potentially execute arbitrary code via crafted input.

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

What is CVE-2022-1286?

CVE-2022-1286 is a medium-severity memory corruption vulnerability in mruby/mruby, published on 10 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

heap-buffer-overflow in mrb_vm_exec in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2022-1286?

It affects 1 product.

Products include Mruby Mruby.

How do I fix CVE-2022-1286?

Upgrade to a fixed version.

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

Is CVE-2022-1286 being exploited?

There is no known exploitation of CVE-2022-1286 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2022-1286, GHSA-6c7w-5xfj-j2mc, UBUNTU-CVE-2022-1286.