CVE-2021-45683 'Read' on uninitialized memory may cause UB

Critical 9.8 Published Updated

The binjs_io crate may read from uninitialized memory, potentially disclosing sensitive data to attackers.

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-2021-45683?

CVE-2021-45683 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 binjs_io crate through 2021-01-03 for Rust. The Read method may read from uninitialized memory locations.

Weakness: CWE-908

Which versions are affected by CVE-2021-45683?

5 open source packages ship an affected version, including binjs_io. It affects 1 product.

PackageAffectedFixed in
binjs_io crates.ioAll versions to 0.2.1None
binjs_io crates.ioAll versions to 0.2.1None
binjs_io crates.ioAll versions to 0.2.1None
binjs_io crates.ioAll versions to 0.2.1None
binjs_io crates.ioFrom 0.0.0-0None

Products include Binjs Io Project Binjs Io.

How do I fix CVE-2021-45683?

No fix has been published for CVE-2021-45683 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-45683 being exploited?

There is no known exploitation of CVE-2021-45683 in the wild and no public exploit code.

Sources

Also known as GHSA-c6px-4grw-hrjr, GHSA-cw4j-cf6c-mmfv, RUSTSEC-2021-0085.

Is CVE-2021-45683 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free