OpenSSH Remote Code Execution Vulnerability (CVE-2024-6387) Notification
July 2, 2024
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 default and 600 seconds in […]
OpenSSH Command Injection Vulnerability (CVE-2023-51385) Alert
December 27, 2023
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 occur if the username or […]