Container-Optimized OS
TMA-COS-1.1.4
Ensure nosuid option set on /tmp partition
SedangLevel 1Otomatiscos
Deskripsi
The nosuid mount option specifies that the filesystem cannot contain setuid files. Since the /tmp filesystem is only intended for temporary file storage, set this option to ensure that users cannot create setuid files in /tmp .
Cara pemeriksaan
Metode audit: Perintah shell
shell
if ! findmnt -kn /tmp >/dev/null 2>&1; then echo compliant; elif findmnt -kn /tmp | grep -qw -- nosuid; then echo compliant; else echo /tmp' is mounted without nosuid'; fi- Output yang diharapkan
compliant
Cara perbaikan
Metode perbaikan: Panduan atau patch infrastruktur
Run the following command to remount /tmp : # mount -o remount,nosuid /tmp /etc is stateless on Container-Optimized OS. Therefore, /etc cannot be used to make these changes persistent across reboots. The steps mentioned above needs to be performed after every boot.
Properti
- Sistem operasi
- Apa saja
- Tag
- container-optimized-oscos
- Referensi
- CIS Google Container-Optimized OS Benchmark v1.2.0 - 1.1.4 Ensure nosuid option set on /tmp partition
Periksa host ini
Jalankan ini pada mesin yang diizinkan untuk Anda audit. Pemindaian bersifat hanya baca.
shell
tmaegis scan --target cos