linux-rlogin-service: rlogin Service Should Be Disabled

2025-08-01 linux rlogin service PoC Public

Description

Assessed the operational status of the rlogin service on the system.Running rlogin could have allowed unauthorized users to gain access or extract sensitive information, representing a significant security risk.

PoC

id: linux-rlogin-service

info:
  name: rlogin Service Should Be Disabled
  author: songyaeji
  severity: high
  description: |
    Assessed the operational status of the rlogin service on the system.Running rlogin could have allowed unauthorized users to gain access or extract sensitive information, representing a significant security risk.
  reference:
    - https://isms.kisa.or.kr
  tags: linux,local,audit,kisa,compliance

self-contained: true

code:
  - engine:
      - sh
      - bash
    source: |
      if grep -i 'disable[[:space:]]*=[[:space:]]*no' /etc/xinetd.d/rlogin 2>/dev/null; then
          echo "[VULNERABLE] rlogin service is enabled"
      else
          echo "[SAFE] rlogin service is disabled"
      fi

    matchers:
      - type: word
        part: response
        words:
          - "[VULNERABLE]"
# digest: 4b0a00483046022100c6f1c8b6c83616490a00bc065ea6a8c8894a3a5c6163a952ac9f582026bfc9a5022100a9495cbde17bb7a534ecad34c9b2dc13f2adac753067701c127423b9a5c55451:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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