CVE-2020-35889 Memory safety violation in crayon
A time-of-check time-of-use race condition in the crayon crate can lead to memory safety violations and potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-35889?
CVE-2020-35889 is a high-severity vulnerability in n/a, published on 31 Dec 2020. 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 crayon crate through 2020-08-31 for Rust. A TOCTOU issue has a resultant memory safety violation via HandleLike.
Weakness: CWE-367
Which versions are affected by CVE-2020-35889?
3 open source packages ship an affected version, including crayon. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
crayon crates.io | All versions to 0.7.1 | None |
crayon crates.io | All versions to 0.7.1 | None |
crayon crates.io | From 0.0.0-0 | None |
Products include Crayon Project Crayon.
How do I fix CVE-2020-35889?
No fix has been published for CVE-2020-35889 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-35889 being exploited?
There is no known exploitation of CVE-2020-35889 in the wild and no public exploit code.
Sources
Also known as GHSA-m833-jv95-mfjh, RUSTSEC-2020-0037.