cis-ubuntu2004-v300-5-3-1-1

DevOps & Security

Ensure latest version of pam is installed

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Operating_Systems/Ubuntu/CIS_Ubuntu_Linux_20.04_LTS_Benchmark_v3.0.0/cis-ubuntu2004-v300-5-3-1-1/SKILL.md

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5.3.1.1 Ensure latest version of pam is installed (Automated)

Profile Applicability

Level 1 - Server
Level 1 - Workstation

Description

Linux Pluggable Authentication Modules (PAM) is a suite of libraries that allow a Linux system administrator to configure methods to authenticate users. It provides a flexible and centralized way to switch authentication methods for secured applications by using configuration files instead of changing application code.

The libpam-runtime provides the runtime support for the PAM library.

Rationale

Older versions of the libpam-runtime package may not include the latest security and feature patches and updates.

Note: This Benchmark includes Recommendations that depend on newer libpam-runtime features. These Recommendations were written and tested against version 1.3.1-5ubuntu4.7. Latest available version of the package should be used.

Audit Procedure

Command Line

Run the following command to verify libpam-runtime is installed:

# dpkg-query -s libpam-runtime &>/dev/null && echo "libpam-runtime is installed"

Run the following command to verify libpam-runtime is the latest version:

# apt list --upgradable 2>&1 | grep -P '^libpam-runtime\b'

Expected Result

The first command should return:

libpam-runtime is installed

The second command should return nothing.

Remediation

Command Line

Run the following command to install the latest version of libpam-runtime:

# apt install libpam-runtime

References

PAM(7)

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	0.0 Explicitly Not Mapped
v7	0.0 Explicitly Not Mapped