New blog post: ATT&CKing TACACS+ to Pwn Your Network via a Pre-Auth RCE
A format string vulnerability that's been lurking 25+ years, and the PSK oracle chain that unlocks it
www.elttam.com/blog/att-cki...
elttam.com
ATT&CKing TACACS+ to Pwn Your Network via a Pre-Auth RCE - elttam
Details a pre-auth format string vulnerability in tac_plus, a popular daemon implementing TACACS+ for network device management, and the shared secret oracle that makes it a practical RCE chain.