CVE-2021-28035 Drop of uninitialized memory in stack_dst
A memory corruption vulnerability in the Rust stack_dst crate allows denial of service via uninitialized memory drop during clone panics.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-28035?
CVE-2021-28035 is a critical memory corruption vulnerability in n/a, published on 5 Mar 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 stack_dst crate before 0.6.1 for Rust. Because of the push_inner behavior, a drop of uninitialized memory can occur upon a val.clone() panic.
Weakness: CWE-908
Which versions are affected by CVE-2021-28035?
2 open source packages ship an affected version, including stack_dst. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
stack_dst crates.io | All versions | 0.6.1 |
stack_dst crates.io | All versions | 0.6.1 |
Products include Stack Dst Project Stack Dst.
How do I fix CVE-2021-28035?
Upgrade stack_dst to 0.6.1 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-28035 being exploited?
There is no known exploitation of CVE-2021-28035 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-45w7-7g63-2m5w.