CVE-2020-36447 Data race in v9
The v9 crate incorrectly implements Sync, allowing data races that can lead to memory corruption, crashes, or arbitrary code execution in Rust applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-36447?
CVE-2020-36447 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 v9 crate through 2020-12-18 for Rust. There is an unconditional implementation of Sync for SyncRef<T>.
Weakness: CWE-362
Which versions are affected by CVE-2020-36447?
5 open source packages ship an affected version, including v9. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
v9 crates.io | All versions | 0.1.43 |
v9 crates.io | All versions | 0.1.43 |
v9 crates.io | All versions | 0.1.43 |
v9 crates.io | All versions | 0.1.43 |
v9 crates.io | From 0.0.0-0 | 0.1.43 |
Products include V9 Project V9.
How do I fix CVE-2020-36447?
Upgrade v9 to 0.1.43 or later.
Is CVE-2020-36447 being exploited?
There is no known exploitation of CVE-2020-36447 in the wild and no public exploit code.
Sources
Also known as GHSA-3837-87vh-xq3w, GHSA-pfjq-935c-4895, RUSTSEC-2020-0127.