CVE-2020-36433 Unaligned memory allocation in chunky
The Rust chunky crate fails to honor alignment requirements, potentially leading to memory corruption and undefined behavior.
- 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-2020-36433?
CVE-2020-36433 is a high-severity memory corruption 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 chunky crate through 2020-08-25 for Rust. The Chunk API does not honor an alignment requirement.
Which versions are affected by CVE-2020-36433?
3 open source packages ship an affected version, including chunky. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
chunky crates.io | All versions to 0.3.7 | None |
chunky crates.io | All versions to 0.3.7 | None |
chunky crates.io | From 0.0.0-0 | None |
Products include Aeplay Chunky.
How do I fix CVE-2020-36433?
No fix has been published for CVE-2020-36433 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-36433 being exploited?
There is no known exploitation of CVE-2020-36433 in the wild and no public exploit code.
Sources
Also known as GHSA-qg24-8xj4-gj2h, RUSTSEC-2020-0035.