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OL 8 file systems must not interpret character or block special devices from untrusted file systems.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-248621 | OL08-00-010600 | SV-248621r779429_rule | Medium |
| Description |
|---|
| The "nodev" mount option causes the system not to interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for unprivileged users to attain unauthorized administrative access. |
| STIG | Date |
|---|---|
| Oracle Linux 8 Security Technical Implementation Guide | 2021-07-21 |
Details
| Check Text ( C-52055r779427_chk ) |
|---|
| Verify that file systems used for removable media are mounted with the "nodev" option with the following command: $ sudo more /etc/fstab UUID=2bc871e4-e2a3-4f29-9ece-3be60c835222 /mnt/usbflash vfat noauto,owner,ro,nosuid,nodev,noexec 0 0 If a file system found in "/etc/fstab" refers to removable media and it does not have the "nodev" option set, this is a finding. |
| Fix Text (F-52009r779428_fix) |
|---|
| Configure the "/etc/fstab" to use the "nodev" option on file systems that are associated with removable media. |