rustcrypto/stream-ciphers · Security
Counter overflow in chacha20
- GHSA ID
- GHSA-j2r6-2m5c-vgh5
- CVE ID
- CVE-2019-25005
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
An issue was discovered in the chacha20 crate before 0.2.3 for Rust. A ChaCha20 counter overflow makes it easier for attackers to determine plaintext.
CWEs
- CWE-190 · Integer Overflow or Wraparound