CVE-2020-25573 Access of Uninitialized Pointer in linked-hash-map
The linked-hash-map crate creates an uninitialized NonNull pointer, potentially causing a crash or undefined behavior in applications using it.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-25573?
CVE-2020-25573 is a critical vulnerability in n/a, published on 14 Sep 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 linked-hash-map crate before 0.5.3 for Rust. It creates an uninitialized NonNull pointer, which violates a non-null constraint.
Weakness: CWE-824
Which versions are affected by CVE-2020-25573?
3 open source packages ship an affected version, including linked-hash-map. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
linked-hash-map crates.io | All versions | 0.5.3 |
linked-hash-map crates.io | All versions | 0.5.3 |
linked-hash-map crates.io | From 0.0.0-0 | 0.5.3 |
Products include Linked-Hash-Map Project Linked-Hash-Map.
How do I fix CVE-2020-25573?
Upgrade linked-hash-map to 0.5.3 or later.
Is CVE-2020-25573 being exploited?
There is no known exploitation of CVE-2020-25573 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2020-25573, GHSA-r43h-gmrm-h5c9, RUSTSEC-2020-0026, UBUNTU-CVE-2020-25573.