CVE-2021-29930 Out of bounds write in arenavec
A memory corruption vulnerability in the arenvec crate allows attackers to trigger code execution or denial of service via uninitialized memory drops during panics.
- 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-2021-29930?
CVE-2021-29930 is a high-severity memory corruption vulnerability in n/a, published on 1 Apr 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 arenavec crate through 2021-01-12 for Rust. A drop of uninitialized memory can sometimes occur upon a panic in T::default().
Weakness: CWE-787
Which versions are affected by CVE-2021-29930?
2 open source packages ship an affected version, including arenavec. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
arenavec crates.io | All versions to 0.1.1 | None |
arenavec crates.io | All versions to 0.1.1 | None |
Products include Arenavec Project Arenavec.
How do I fix CVE-2021-29930?
No fix has been published for CVE-2021-29930 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-2021-29930 being exploited?
There is no known exploitation of CVE-2021-29930 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-327x-39hh-65wf.