custom-ram-policy-admin-priv: Custom RAM Policies With Full Administrative Privileges

2025-08-01 Custom RAM Policies PoC Public

Description

The Alibaba Cloud Custom RAM policies with full administrative privileges grant users or groups unrestricted access to all resources and actions within the cloud environment.

PoC

id: custom-ram-policy-admin-priv

info:
  name: Custom RAM Policies With Full Administrative Privileges
  author: DhiyaneshDK
  severity: high
  description: |
    The Alibaba Cloud Custom RAM policies with full administrative privileges grant users or groups unrestricted access to all resources and actions within the cloud environment.
  reference:
    - https://www.alibabacloud.com/help/en/ram/user-guide/create-a-custom-policy
    - https://www.trendmicro.com/cloudoneconformity/knowledge-base/alibaba-cloud/AlibabaCloud-RAM/policies-with-full-administrative-privileges.html
  metadata:
    max-request: 1
    verified: true
  tags: cloud,devops,aliyun,alibaba,alibaba-cloud-config,alibaba-ram

variables:
  region: "cn-hangzhou"

flow: |
  code(1)
  for(let PolicyName of iterate(template.policyname)){
    set("policy", PolicyName)
    code(2)
  }

self-contained: true

code:
  - engine:
      - sh
      - bash

    source: |
      aliyun ram ListPolicies --PolicyType Custom --region $region

    extractors:
      - type: json
        name: policyname
        internal: true
        json:
          - '.Policies.Policy[].PolicyName'

  - engine:
      - sh
      - bash

    source: |
      aliyun ram GetPolicy --PolicyName $policyname --PolicyType Custom --region $region


    matchers:
      - type: word
        words:
          - '"Effect\":\"Allow\'
          - '\"Action\":\"*\"'
          - '\"Resource\":\"*\"'
        condition: and

    extractors:
      - type: dsl
        dsl:
          - 'policy + " custom RAM Policy allow Full Administrative Privileges "'
# digest: 4a0a0047304502204cbc305a46f0716c1d9cde8d2e7eb3267ea7b1d03724236860e6bbb6e75ce077022100c4f3830e4b2e5d3f63b7f68d5fbd35792e74fb3f0faebb0f9b05877ff71dfb21:922c64590222798bb761d5b6d8e72950

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

References

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