TMA-COS-1.1.12
Ensure noexec option set on /dev/shm partition
SedangLevel 1Otomatiscos
Deskripsi
The noexec mount option specifies that the filesystem cannot contain executable binaries. Setting this option on a file system prevents users from executing programs from shared memory. This deters users from introducing potentially malicious software on the system.
Cara pemeriksaan
Metode audit: Perintah shell
shell
if ! findmnt -kn /dev/shm >/dev/null 2>&1; then echo compliant; elif findmnt -kn /dev/shm | grep -qw -- noexec; then echo compliant; else echo /dev/shm' is mounted without noexec'; fi- Output yang diharapkan
compliant
Cara perbaikan
Metode perbaikan: Panduan atau patch infrastruktur
Run the following command to remount /dev/shm: # mount -o remount,noexec /dev/shm /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 - 1.1.12 Ensure noexec option set on /dev/shm partition
Periksa host ini
Jalankan ini pada mesin yang diizinkan untuk Anda audit. Pemindaian bersifat hanya baca.
shell
tmaegis scan --target cos