CVE-2020-35882 Data races in rocket

High 8.1 Published Updated

A race condition in the Rocket Rust web framework allows multiple mutable references to the same object, potentially causing undefined behavior.

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

What is CVE-2020-35882?

CVE-2020-35882 is a high-severity 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 rocket crate before 0.4.5 for Rust. LocalRequest::clone creates more than one mutable references to the same object, possibly causing a data race.

Weakness: CWE-362

Which versions are affected by CVE-2020-35882?

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

PackageAffectedFixed in
rocket crates.ioFrom 0.4.00.4.5
rocket crates.ioFrom 0.4.00.4.5
rocket crates.ioFrom 0.4.00.4.5

Products include Rocket Rocket.

How do I fix CVE-2020-35882?

Upgrade rocket to 0.4.5 or later.

Is CVE-2020-35882 being exploited?

There is no known exploitation of CVE-2020-35882 in the wild and no public exploit code.

Sources

Also known as GHSA-8q2v-67v7-6vc6, RUSTSEC-2020-0028.

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