TMA-ROS1-1.1.21
Ensure sticky bit is set on all world-writable directories
Açıklama
Setting the sticky bit on world writable directories prevents users from deleting or renaming files in that directory that are not owned by them. The audit searches local filesystems for world-writable directories without the sticky bit and requires none. Host-level control from the CIS ROS Melodic benchmark (Ubuntu 18.04 robot hosts); run as root.
Nasıl denetlenir
Denetim yöntemi: Kabuk komutu
command -v findmnt >/dev/null 2>&1 || exit 1
mps=$(findmnt -rn -l -o TARGET,FSTYPE | awk '$2 !~ /^(nfs|nfs4|cifs|smb3|smbfs|fuse|proc|sysfs|tmpfs|devtmpfs|devpts|cgroup|cgroup2|pstore|securityfs|debugfs|tracefs|configfs|bpf|mqueue|hugetlbfs|autofs|binfmt_misc|efivarfs|overlay|squashfs|nsfs|ramfs|fusectl|rpc_pipefs)$/ {print $1}')
out=$(for m in $mps; do find "$m" -xdev -type d \( -perm -0002 -a \! -perm -1000 \) -print 2>/dev/null; done | sort -u | head -n 50)
[ -z "$out" ] && echo compliant || { printf '%s\n' "$out"; echo 'world-writable directories without the sticky bit'; }- Beklenen çıktı
compliant
Nasıl düzeltilir
Düzeltme yöntemi: Kılavuz veya altyapı yaması
Run the following command to set the sticky bit on all world writable directories: # df --local -P | awk '{if (NR!=1) print $6}' | xargs -I '{}' find '{}' -xdev -type d \( -perm -0002 -a ! -perm -1000 \) 2>/dev/null | xargs -I '{}' chmod a+t '{}'
Özellikler
- İşletim sistemleri
- Herhangi biri
- Etiketler
- rosros1melodicsystem
- Referans
- CIS ROS Melodic Benchmark v1.0.0 - 1.1.21 Ensure sticky bit is set on all world-writable directories
Bu ana makineyi denetle
Bunu denetleme izniniz olan bir makinede çalıştırın. Tarama salt okunurdur.
tmaegis scan --target ros