Summary: Qualys researchers discovered an authentication-bypass vulnerability (CVE-2019-19521) in OpenBSD’s authentication system. An attacker can exploit this issue by sending a specially-crafted username to bypass OpenBSD’s authentication. This vulnerability is remotely exploitable. Vulnerability: OpenBSD uses BSD Authentication, which is made up of a variety of authentication styles. The vulnerability is composed of 2 following … Continue reading “OpenBSD Authentication Bypass Vulnerability”