Use of insufficiently random values in wolfSSL - #VU59164
Published: January 4, 2022
Vulnerability identifier: #VU59164
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
wolfSSL
wolfSSL
Software vendor:
wolfSSL
wolfSSL
Description
The vulnerability allows a remote attacker to decrypt TLS session.
The vulnerability exists in wolfSSL implementation when using AES-CBC or DES3 with TLS/DTLS 1.2 or 1.1. The initialization vector used is not random, which may allow an attacker to decrypt the TLS session or perform MitM attack.
Remediation
Install updates from vendor's website.