CVE-2022-39173 Information

Description

In wolfSSL before 5.5.1 malicious clients can cause a buffer overflow during a TLS 1.3 handshake. This occurs when an attacker supposedly resumes a previous TLS session. During the resumption Client Hello a Hello Retry Request must be triggered. Both Client Hellos are required to contain a list of duplicate cipher suites to trigger the buffer overflow. In total two Client Hellos have to be sent: one in the resumed session and a second one as a response to a Hello Retry Request message.

Reference

https://www.wolfssl.com/docs/security-vulnerabilities/ https://github.com/wolfSSL/wolfssl/releases