~ / search / GHSA-w7j2-35mf-95p7

GHSA-w7j2-35mf-95p7

Incorrect check on buffer length in rand_core

Source: GitHub Advisory Database (reviewed) Critical CVE-2021-27378

Packages

EcosystemPackageAffectedFixed in
crates.io rand_core >= 0.6.0, < 0.6.2 0.6.2

Details

As written in the advisory (Markdown source, shown as plain text).

An issue was discovered in the rand_core crate before 0.6.2 for Rust. Because `read_u32_into` and `read_u64_into` mishandle certain buffer-length checks, a random number generator may be seeded with too little data. The vulnerability was introduced in v0.6.0. The advisory doesn't apply to earlier minor version numbers. Because read_u32_into and read_u64_into mishandle certain buffer-length checks, a random number generator may be seeded with too little data.

References

External links from the advisory. They lead to third-party sites.