Overview Recently, NSFOCUS CERT detected that OpenSSH issued a security announcement and fixed the remote code execution vulnerability of OpenSSH (CVE-2024-6387). Due to a signal handler race condition issue in OpenSSH Server (sshd) under the default configuration, if the client does not authenticate within seconds of LoginGraceTime (120 seconds by...
Tag: OpenSSH
OpenSSH Command Injection Vulnerability (CVE-2023-51385) Alert
Overview Recently, NSFOCUS CERT detected that OpenSSH released a security update and fixed a command injection vulnerability caused by malicious shell characters (CVE-2023-51385), with a CVSS score of 9.8; Since there is no security filtering of username and hostname input represented by %h,%u in OpenSSH's ProxyCommand command, command injection may...

