CVE-2020-35928 Data races in concread
Attackers can trigger a data race in the ARCache structure by sending non-Send/Sync types, potentially causing denial of service.
- 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-2020-35928?
CVE-2020-35928 is a medium-severity vulnerability in n/a, published on 31 Dec 2020. 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 concread crate before 0.2.6 for Rust. Attackers can cause an ARCache<K,V> data race by sending types that do not implement Send/Sync.
Weakness: CWE-362
Which versions are affected by CVE-2020-35928?
3 open source packages ship an affected version, including concread. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
concread crates.io | All versions | 0.2.6 |
concread crates.io | All versions | 0.2.6 |
concread crates.io | From 0.0.0-0 | 0.2.6 |
Products include Concread Project Concread.
How do I fix CVE-2020-35928?
Upgrade concread to 0.2.6 or later.
Is CVE-2020-35928 being exploited?
There is no known exploitation of CVE-2020-35928 in the wild and no public exploit code.
Sources
Also known as GHSA-4xj5-vv9x-63jp, RUSTSEC-2020-0092.