CVE-2019-19963 — Wolfssl vulnerability

4 documents4 sources
Severity
5.3MEDIUMNVD
EPSS
0.4%
top 42.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
WolfsslDebian Wolfssl
Timeline
PublishedDec 25
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages3 packages

▶debiandebian/wolfssl< wolfssl 4.3.0+dfsg-1 (bookworm)
▶NVDwolfssl/wolfssl< 4.3.0
▶Debianwolfssl/wolfssl< 4.3.0+dfsg-1+3

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-gcqc-374g-rrqf: An issue was discovered in wolfSSL before 4↗2022-05-24
▶
OSV
CVE-2019-19963: An issue was discovered in wolfSSL before 4↗2019-12-25
▶

📋Vendor Advisories

1
Debian
CVE-2019-19963: wolfssl - An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration w...↗2019
▶
CVE-2019-19963 — Wolfssl vulnerability | cvebase