CVE-2020-22884 Memory corruption in n/a

Critical 9.8 Published 13 Jul 2021 Updated 4 Aug 2024

A buffer overflow in Espruino allows remote attackers to execute arbitrary code, requiring an upgrade to the latest release.

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-2020-22884?

CVE-2020-22884 is a critical memory corruption vulnerability in n/a, published on 13 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow vulnerability in function jsvGetStringChars in Espruino before RELEASE_2V09, allows remote attackers to execute arbitrary code.

Weakness: CWE-120

Which versions are affected by CVE-2020-22884?

It affects 1 product.

Products include Espruino Espruino.

How do I fix CVE-2020-22884?

No fix has been published for CVE-2020-22884 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2020-22884 being exploited?

There is no known exploitation of CVE-2020-22884 in the wild and no public exploit code.

Sources

Also known as GHSA-5674-6v46-8q99.