| name | cis-ubuntu1804-v220-2-3-5 |
| description | Ensure LDAP client is not installed |
| category | cis-networking |
| version | 2.2.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu","linux","ubuntu-18.04","services","ldap-client"] |
| cis_id | 2.3.5 |
| cis_benchmark | CIS Ubuntu Linux 18.04 LTS Benchmark v2.2.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
2.3.5 Ensure LDAP client is not installed (Automated)
Profile
- Level 1 - Server
- Level 1 - Workstation
Description
The Lightweight Directory Access Protocol (LDAP) was introduced as a replacement for NIS/YP. It is a service that provides a method for looking up information from a central database.
Rationale
If the system will not need to act as an LDAP client, it is recommended that the software be removed to reduce the potential attack surface.
Impact
Removing the LDAP client will prevent or inhibit using LDAP for authentication in your environment.
Audit Procedure
Command Line
Verify that ldap-utils is not installed. Use the following command to provide the needed information:
Nothing should be returned.
Expected Result
No output (empty result).
Remediation
Command Line
Uninstall ldap-utils:
References
- NIST SP 800-53 Rev. 5: CM-7
CIS Controls
- v8: 4.8 - Uninstall or Disable Unnecessary Services on Enterprise Assets and Software
- v7: 9.2 - Ensure Only Approved Ports, Protocols and Services Are Running