CVE-2020-35880 Unsoundness in bigint

Critical 9.8 Published Updated

A soundness violation in the Rust bigint crate allows memory safety violations, requiring developers to upgrade the dependency.

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-2020-35880?

CVE-2020-35880 is a critical vulnerability in n/a, published on 31 Dec 2020. 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 bigint crate through 2020-05-07 for Rust. It allows a soundness violation.

Which versions are affected by CVE-2020-35880?

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

PackageAffectedFixed in
bigint crates.ioAll versions to 4.4.3None
bigint crates.ioAll versions to 4.4.3None
bigint crates.ioFrom 0.0.0-0None

Products include Bigint Project Bigint.

How do I fix CVE-2020-35880?

No fix has been published for CVE-2020-35880 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-35880 being exploited?

There is no known exploitation of CVE-2020-35880 in the wild and no public exploit code.

Sources

Also known as GHSA-wgx2-6432-j3fw, RUSTSEC-2020-0025.

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