CVE-2021-32032 Memory corruption in n/a

High 7.5 Published 21 May 2021 Updated 3 Aug 2024

A memory leak in Trusted Firmware-M during failed cryptographic operations can lead to resource exhaustion and denial of service.

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-2021-32032?

CVE-2021-32032 is a high-severity memory corruption vulnerability in n/a, published on 21 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Trusted Firmware-M through 1.3.0, cleaning up the memory allocated for a multi-part cryptographic operation (in the event of a failure) can prevent the abort() operation in the associated cryptographic library from freeing internal resources, causing a memory leak.

Weakness: CWE-401

Which versions are affected by CVE-2021-32032?

It affects 1 product.

Products include Trustedfirmware Trusted Firmware-M.

How do I fix CVE-2021-32032?

No fix has been published for CVE-2021-32032 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-2021-32032 being exploited?

There is no known exploitation of CVE-2021-32032 in the wild and no public exploit code.

Sources

Also known as GHSA-2wjw-pc5m-j29q.