PT-2019-16023 · Wolfssl · Wolfssl

Daniel Moghimi + 1 · Published 2019-12-24 · Updated 2021-07-21 · CVE-2019-19962

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions wolfSSL versions prior to 4.3.0

Description The issue is related to the mishandling of calls to the wc SignatureGenerateHash function, which can lead to fault injection in RSA cryptography.

Recommendations For versions prior to 4.3.0, update to version 4.3.0 or later to resolve the issue.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2019-19962

Affected Products

Wolfssl

References · 9

• https://github.com/wolfSSL/wolfssl/commit/23878512c65834d12811b1107d19a001478eca5d · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-19962 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19962 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-19962 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-19962 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-19962 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-19962 · Security Note
• https://ubuntu.com/security/CVE-2019-19962 · Vendor Advisory
• https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stable · Note