TLDR InfoSec · STRATEGIES & TACTICS

RAGE AGAINST THE AUTHENTICATION STATE MACHINE

blog.silentsignal.eu6 min read

Summary from the TLDR InfoSec newsletter

Researchers discovered an authentication bypass (CVE-2024-28080) in Gitblit's SSH service that allows attackers to log in without requiring a user's private key or password, only needing the username and public key. This post analyzes how the vulnerability arose, detailing the SSH login handshake and highlighting where the implementation deviates from secure best practices with Apache MINA SSHD.