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48 lines
1.8 KiB
YAML
48 lines
1.8 KiB
YAML
id: password-expiration
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info:
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name: Ensure Password Expiration is Configured
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author: Th3l0newolf
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severity: medium
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description: |
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The PASS_MAX_DAYS setting in /etc/login.defs defines how long a password may be used before it must be changed.To comply with CIS Ubuntu Linux Benchmark, this value should be set to a number greater than 0 and less than or equal to 365.
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remediation: |
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Edit /etc/login.defs and ensure the line is set to: PASS_MAX_DAYS 365 (or another value between 1 and 365).Verify the change with: grep -Pi -- '^\h*PASS_MAX_DAYS\h+\d+\b' /etc/login.defs
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reference:
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- https://www.cisecurity.org/benchmark/ubuntu_linux
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metadata:
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verified: true
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tags: cis,cisecurity,audit,linux,ubuntu,password
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self-contained: true
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code:
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- engine:
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- bash
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args:
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- "-c"
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- |
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MAX_DAYS_LINE=$(grep -Pi -- '^\h*PASS_MAX_DAYS\h+\d+\b' /etc/login.defs | head -n1)
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if [ -n "$MAX_DAYS_LINE" ]; then
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VALUE=$(echo "$MAX_DAYS_LINE" | awk '{print $2}')
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if [ "$VALUE" -gt 0 ] && [ "$VALUE" -le 365 ]; then
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echo "[password-expiration-check:Policy-Pass] [PASS_MAX_DAYS is $VALUE (valid)] [CIS_PASS]"
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else
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echo "[password-expiration-check:Policy-Fail] [PASS_MAX_DAYS is $VALUE (invalid)] [CIS_FAIL]"
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fi
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else
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echo "[password-expiration-check:Policy-Fail] [PASS_MAX_DAYS not set or malformed] [CIS_FAIL]"
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fi
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matchers:
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- type: word
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name: policy-pass
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words:
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- "Policy-Pass"
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- type: word
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name: policy-fail
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words:
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- "Policy-Fail"
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# digest: 4a0a0047304502207eb33ee9bd4dfb263001cfdbe45a7436914ac1b80b31be26762e6d5edbc1a3e20221008bfa10145284056663512265e225e36a89f770c199024a16f87798d8de33f36f:922c64590222798bb761d5b6d8e72950 |