CVE-2020-36451 Data races in rcu_cell
Unconditional Send and Sync implementations in the Rust rcu_cell crate allow data races, potentially leading to memory corruption or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-36451?
CVE-2020-36451 is a high-severity vulnerability in n/a, published on 8 Aug 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 rcu_cell crate through 2020-11-14 for Rust. There are unconditional implementations of Send and Sync for RcuCell<T>.
Weakness: CWE-77
Which versions are affected by CVE-2020-36451?
3 open source packages ship an affected version, including rcu_cell. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
rcu_cell crates.io | All versions | 0.1.9 |
rcu_cell crates.io | All versions | 0.1.9 |
rcu_cell crates.io | From 0.0.0-0 | None |
Products include Rcu Cell Project Rcu Cell.
How do I fix CVE-2020-36451?
Upgrade rcu_cell to 0.1.9 or later.
Is CVE-2020-36451 being exploited?
There is no known exploitation of CVE-2020-36451 in the wild and no public exploit code.
Sources
Also known as GHSA-686h-j8r8-wmfm, RUSTSEC-2020-0131.