Ensure ftpd umask is configured

高级别 1自动化aix

说明

The umask of the ftpd service should be set to at least 027 in order to prevent the FTP daemon process from creating world-accessable, group-writeable files by default. The umask of the ftpd service should be set to at least 027 in order to prevent the FTP daemon process from creating world-accessable and group-writeable files by default. Audit: when ftp is enabled in inetd.conf, ftpd must run with -u 027 (or stricter 077).

检查方式

审计方法: Shell 命令

shell

l=$(grep "^ftp[[:blank:]]" /etc/inetd.conf 2>/dev/null); if [ -n "$l" ]; then printf '%s\n' "$l" | grep -Eq -- "-u[[:blank:]]*0?(027|077)" && echo compliant || echo "$l"; else 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

Set the default umask of the ftp daemon: [[ $(grep -c "^ftp[[:blank:]]" /etc/inetd.conf) -gt 0 ]] && chsubserver -c -v ftp -p tcp "ftpd -l -u 027" && refresh -s inetd || RC=0 NOTE: The umask above restricts write permissions for both group and other. All access for other is removed.

属性

操作系统: 任意
标签: aixaccounts
参考: CIS IBM AIX 7 Benchmark v1.2.0 - 4.6.2.3 Ensure ftpd umask is configured

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。

shell

tmaegis scan --target aix