A Drop-In KEM Replacement for Client Signatures in Post-Quantum SSH

The transition to post-quantum cryptography is reshaping the Secure Shell SSH protocol for remote administration. Post-quantum key exchange has been deployed in OpenSSH and is being standardized, while SSH authentication largely remains a signature-replacement effort. This path preserves the...

Samba libcli/smb/smbXcli_base.c Security Mechanism Bypass Vulnerability

Samba is a freeware implementation of the SMB protocol on Linux and UNIX systems, consisting of a server and a client program. Samba 4.0.0 - 4.4.4 libcli/smb/smbXclibase.c suffers from a security vulnerability in its implementation, which allows a man-in-the-middle attacker, via the...