Check: GEN005536
Title
The SSH daemon must perform strict mode checking of home directory configuration files. (Cat II impact)
Discussion
If other users have access to modify user-specific SSH configuration files, they may be able to log into the system as another user.
Check Content
Check the SSH daemon configuration for the StrictModes setting. # grep -i StrictModes /etc/ssh/sshd_config | grep -v '^#' # grep -i StrictModes /etc/openssh/sshd_config | grep -v '^#' If the setting is present and not set to yes, this is a finding.
Fix Text
Edit the SSH daemon configuration and change the StrictModes setting value to yes or remove it entirely.
Additional Identifiers
Rule ID:
Vulnerability ID: V-22485
Group Title:
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-000225 |
The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions. |
Controls
Number | Title |
---|---|
AC-6 |
Least Privilege |