CVEvulnerability

CVE-2019-19963

5.3 MEDIUM Published 2019-12-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-12-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N

Description

An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration where DSA is enabled. DSA signing uses the BEEA algorithm during modular inversion of the nonce, leading to a side-channel attack against the nonce.

Affected configurations

• wolfssl wolfssl (< 4.3.0)

References