CVE-2023-31670 Denial of service in n/a

High 7.5 Published Updated

Attackers can cause a Denial of Service in WebAssembly tools by providing a crafted binary file.

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

What is CVE-2023-31670?

CVE-2023-31670 is a high-severity denial of service vulnerability in n/a, published on 23 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.

Which versions are affected by CVE-2023-31670?

It affects 1 product.

Products include Webassembly Webassembly Binary Toolkit.

How do I fix CVE-2023-31670?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-31670 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-31670 exists.

Sources

Also known as DEBIAN-CVE-2023-31670, GHSA-q283-h7m5-gh5p.

Is CVE-2023-31670 in your software?

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

Check your SBOMs for free