Ensure sshd PermitEmptyPasswords is disabled

检查方式

审计方法: Shell 命令

alt0() { command -v grep >/dev/null 2>&1 || { echo "step1: grep not installed"; return 1; }; command -v sshd >/dev/null 2>&1 || { echo "step1: sshd not installed"; return 1; }; o=$(bash -c 'sshd -T | grep permitemptypasswords' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'permitemptypasswords no' || { echo step1: missing 'permitemptypasswords no'; return 1; }; }; if alt0; then echo compliant; fi

预期输出

compliant

修复方式

修复方法: 操作指南或基础设施补丁

Edit /etc/ssh/sshd_config and set the PermitEmptyPasswords parameter to no above any Include and Match entries as follows: PermitEmptyPasswords no Note: First occurrence of an option takes precedence, Match set statements withstanding. If Include locations are enabled, used, and order of precedence is understood in your environment, the entry may be created in a file in Include location. The SSH daemon must be restarted for the changes to take effect. To restart the SSH daemon, run the following command: # systemctl reload-or-restart sshd.service

检查本机

请在您有权审计的机器上运行此命令。扫描为只读操作。

tmaegis scan --target linux