CVE-2020-36316 Memory corruption in n/a

Medium 5.5 Published 7 Apr 2021 Updated 4 Aug 2024

A buffer overflow in RELIC's PKCS#1 v1.5 signature verification allows attackers to cause memory corruption via crafted garbage bytes.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-36316?

CVE-2020-36316 is a medium-severity memory corruption vulnerability in n/a, published on 7 Apr 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.

Weakness: CWE-120

Which versions are affected by CVE-2020-36316?

It affects 1 product.

Products include Relic Project Relic.

How do I fix CVE-2020-36316?

No fix has been published for CVE-2020-36316 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-2020-36316 being exploited?

There is no known exploitation of CVE-2020-36316 in the wild and no public exploit code.

Sources

Also known as GHSA-f5m2-hpp5-7qp7.