CVE-2020-35907 futures_task::noop_waker_ref can segfault due to dereferencing a NULL pointer
A NULL pointer dereference in the futures-task crate allows attackers to cause a denial of service via noop_waker_ref.
- 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-2020-35907?
CVE-2020-35907 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 futures-task crate before 0.3.5 for Rust. futures_task::noop_waker_ref allows a NULL pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2020-35907?
3 open source packages ship an affected version, including futures-task. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
futures-task crates.io | All versions | 0.3.5 |
futures-task crates.io | All versions | 0.3.5 |
futures-task crates.io | From 0.0.0-0 | 0.3.5 |
Products include Rust-Lang Futures-Task.
How do I fix CVE-2020-35907?
Upgrade futures-task to 0.3.5 or later.
Is CVE-2020-35907 being exploited?
There is no known exploitation of CVE-2020-35907 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-p9m5-3hj7-cp5r, RUSTSEC-2020-0061, UBUNTU-CVE-2020-35907.