What is CVE-2019-19963?

CVE-2019-19963 is a medium-severity vulnerability in Wolfssl. CVSS score: 5.3/10. Published 2019-12-25.

How severe is CVE-2019-19963?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Wolfssl

CVE-2019-19963

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.

EPSS: 0.010 (57.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Wolfssl
N/a — versions n/a

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-19963?: CVE-2019-19963 is a medium-severity vulnerability in Wolfssl. CVSS score: 5.3/10. Published 2019-12-25.
How severe is CVE-2019-19963?: Medium severity. CVSS v3 base score is 5.3 out of 10.