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VULNERABILITIES

CVE-2019-19963 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190 CVEPatchThird Party Advisory
https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stable CVERelease NotesThird Party Advisory
https://github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190 [email protected]PatchThird Party Advisory
https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stable [email protected]Release NotesThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
wolfssl wolfssl
< 4.3.0

CPE

  • cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-19963
NVD Published Date:
Dec 25, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-19963 Details - Not Deferred