CVE-2022-23408 Weak cryptography in n/a

Critical 9.1 Published 18 Jan 2022 Updated 3 Aug 2024

wolfSSL uses non-random IVs in specific TLS/DTLS configurations, potentially allowing attackers to decrypt sensitive data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2022-23408?

CVE-2022-23408 is a critical vulnerability in Wolfssl Wolfssl, published on 18 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.

Weakness: CWE-330

Which versions are affected by CVE-2022-23408?

It affects 1 product.

Products include Wolfssl Wolfssl.

How do I fix CVE-2022-23408?

Upgrade to a fixed version.

Is CVE-2022-23408 being exploited?

There is no known exploitation of CVE-2022-23408 in the wild and no public exploit code.

All Wolfssl Wolfssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-23408, GHSA-xx9h-ppjx-3rjx, UBUNTU-CVE-2022-23408.