Ensure prelink is disabled

中级别 1自动化ros

说明

prelink is a program that modifies ELF shared libraries and ELF dynamically linked binaries in such a way that the time needed for the dynamic linker to perform relocations at startup significantly decreases. The audit requires the prelink package not to be installed. Host-level control from the CIS ROS Melodic benchmark (Ubuntu 18.04 robot hosts); run as root.

检查方式

审计方法: Shell 命令

shell

command -v dpkg-query >/dev/null 2>&1 || exit 1
bad=0
for p in prelink; do
  s=$(dpkg-query -W -f='${Status}' "$p" 2>/dev/null)
  case "$s" in *' installed') echo "$p is installed"; bad=1 ;; esac
done
[ "$bad" -eq 0 ] && echo compliant

预期输出: compliant

修复方式

修复方法: 操作指南或基础设施补丁

Run the following command to restore binaries to normal: # prelink -ua Uninstall prelink using the appropriate package manager or manual installation: # apt purge prelink

属性

操作系统: 任意
标签: rosros1melodicsystem
参考: CIS ROS Melodic Benchmark v1.0.0 - 1.6.3 Ensure prelink is disabled

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 ros