CVE-2020-36203 Data races in reffers
A data race in the reffers crate allows memory corruption, potentially leading to code execution or crashes in Rust applications.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-36203?
CVE-2020-36203 is a medium-severity vulnerability in n/a, published on 22 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the reffers crate through 2020-12-01 for Rust. ARefss can contain a !Send,!Sync object, leading to a data race and memory corruption.
Which versions are affected by CVE-2020-36203?
3 open source packages ship an affected version, including reffers. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
reffers crates.io | All versions | 0.6.1 |
reffers crates.io | All versions | 0.6.1 |
reffers crates.io | From 0.0.0-0 | 0.6.1 |
Products include Reffers Project Reffers.
How do I fix CVE-2020-36203?
Upgrade reffers to 0.6.1 or later.
Is CVE-2020-36203 being exploited?
There is no known exploitation of CVE-2020-36203 in the wild and no public exploit code.
Sources
Also known as GHSA-39xg-8p43-h76x, RUSTSEC-2020-0094.