CVE-2021-45706 Memory flaw in zeroize_derive

Critical 9.8 Published Updated

Attackers can read sensitive data from memory because the zeroize_derive crate fails to zero out dropped enum variants.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-45706?

CVE-2021-45706 is a critical vulnerability in n/a, published on 26 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in the zeroize_derive crate before 1.1.1 for Rust. Dropped memory is not zeroed out for an enum.

Weakness: CWE-459

Which versions are affected by CVE-2021-45706?

3 open source packages ship an affected version, including zeroize_derive. It affects 1 product.

PackageAffectedFixed in
zeroize_derive crates.ioAll versions1.1.1
zeroize_derive crates.ioAll versions1.1.1
zeroize_derive crates.ioFrom 0.0.0-01.1.1

Products include Zeroize Derive Project Zeroize Derive.

How do I fix CVE-2021-45706?

Upgrade zeroize_derive to 1.1.1 or later.

Is CVE-2021-45706 being exploited?

There is no known exploitation of CVE-2021-45706 in the wild and no public exploit code.

Sources

Also known as GHSA-c5hx-w945-j4pq, RUSTSEC-2021-0115.

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