CVE-2020-36218 Improper synchronization in buttplug
A data race in the buttplug Rust crate allows unsafe concurrent access to non-Send/Sync objects, 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-2020-36218?
CVE-2020-36218 is a medium-severity vulnerability in n/a, published on 22 Jan 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 buttplug crate before 1.0.4 for Rust. ButtplugFutureStateShared does not properly consider (!Send|!Sync) objects, leading to a data race.
Which versions are affected by CVE-2020-36218?
3 open source packages ship an affected version, including buttplug. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
buttplug crates.io | All versions | 1.0.4 |
buttplug crates.io | All versions | 1.0.4 |
buttplug crates.io | From 0.0.0-0 | 1.0.4 |
Products include Nonpolynomial Buttplug.
How do I fix CVE-2020-36218?
Upgrade buttplug to 1.0.4 or later.
Is CVE-2020-36218 being exploited?
There is no known exploitation of CVE-2020-36218 in the wild and no public exploit code.
Sources
Also known as GHSA-r7rv-2rph-hvhj, RUSTSEC-2020-0112.