CVE-2019-15545 Failure to properly verify ed25519 signatures in libp2p-core
Attackers can spoof ed25519 signatures in the libp2p-core Rust crate, bypassing authentication mechanisms.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-15545?
CVE-2019-15545 is a high-severity vulnerability in n/a, published on 26 Aug 2019. 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 libp2p-core crate before 0.8.1 for Rust. Attackers can spoof ed25519 signatures.
Weakness: CWE-347
Which versions are affected by CVE-2019-15545?
3 open source packages ship an affected version, including libp2p-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
libp2p-core crates.io | All versions | 0.8.1 |
libp2p-core crates.io | All versions | 0.8.1 |
libp2p-core crates.io | From 0.3.0 | 0.7.1, 0.8.1 |
Products include Libp2p Libp2p.
How do I fix CVE-2019-15545?
Upgrade libp2p-core to a fixed version for your release line: 0.8.1 or 0.7.1.
Is CVE-2019-15545 being exploited?
There is no known exploitation of CVE-2019-15545 in the wild and no public exploit code.
Sources
Also known as GHSA-4q4x-67hx-5mpg, RUSTSEC-2019-0004.