GitHub Advisoryadvisory · crates.io

GHSA-mmc9-pwm7-qj5w Unaligned memory access in rand_core

CRITICAL Published 2021-08-25 Modified 2021-08-18 Official page ↗
Aliases
CVE-2020-25576
Ecosystem
crates.io
Packages
rand_core
Severity
Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-704
Reviewed
2021-08-18

Affected packages

• crates.io rand_core: >= 0.4.0, < 0.4.2 → fixed in 0.4.2 • crates.io rand_core: < 0.3.1 → fixed in 0.3.1

Description

Impact Affected versions of this crate violated alignment when casting byte slices to integer slices, resulting in undefined behavior. `rand_core::BlockRng::next_u64` and `rand_core::BlockRng::fill_bytes` are affected. Patches The flaw was corrected by Ralf Jung and Diggory Hardy for `rand_core >= 0.4.2`. Workarounds None. References See Rand's changelog. For more information If you have any questions or comments about this advisory, open an issue in the Rand repository.

Related

Alias · CVE (1)

  • CVE-2020-25576 An issue was discovered in the rand_core crate before 0.4.2 for Rust. vulnerability

Weakness · CWE (1)

  • CWE-704 Incorrect Type Conversion or Cast weakness

References