CVE-2020-36204 Data races in im
A data race in the Rust im crate's TreeFocus allows concurrent access issues due to missing Send/Sync bounds, potentially causing undefined behavior.
- 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-2020-36204?
CVE-2020-36204 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 im crate through 2020-11-09 for Rust. Because TreeFocus does not have bounds on its Send trait or Sync trait, a data race can occur.
Which versions are affected by CVE-2020-36204?
3 open source packages ship an affected version, including im. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
im crates.io | From 12.0.0 | 15.1.0 |
im crates.io | From 12.0.0 | 15.1.0 |
im crates.io | From 12.0.0 | 15.1.0 |
Products include Im Project Im.
How do I fix CVE-2020-36204?
Upgrade im to 15.1.0 or later.
Is CVE-2020-36204 being exploited?
There is no known exploitation of CVE-2020-36204 in the wild and no public exploit code.
Sources
Also known as GHSA-q9h2-4xhf-23xx, RUSTSEC-2020-0096.