64 lines
2.1 KiB
YAML
64 lines
2.1 KiB
YAML
id: CVE-2020-27838
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info:
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name: KeyCloak - Information Exposure
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author: mchklt
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severity: medium
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description: |
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A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.
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impact: |
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The vulnerability allows an attacker to gain sensitive information from the KeyCloak server.
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remediation: |
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Apply the latest security patches or updates provided by the KeyCloak vendor.
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reference:
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- https://bugzilla.redhat.com/show_bug.cgi?id=1906797
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- https://nvd.nist.gov/vuln/detail/CVE-2020-27838
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- https://github.com/muneebaashiq/MBProjects
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- https://github.com/j4k0m/godkiller
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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cvss-score: 6.5
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cve-id: CVE-2020-27838
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cwe-id: CWE-287
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epss-score: 0.08135
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epss-percentile: 0.93734
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cpe: cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: redhat
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product: keycloak
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shodan-query:
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- "title:\"keycloak\""
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- http.title:"keycloak"
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- http.html:"keycloak"
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- http.favicon.hash:-1105083093
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fofa-query:
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- title="keycloak"
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- icon_hash=-1105083093
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- body="keycloak"
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google-query: intitle:"keycloak"
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tags: cve,cve2020,keycloak,exposure,redhat
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http:
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- method: GET
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path:
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- "{{BaseURL}}/auth/realms/master/clients-registrations/default/security-admin-console"
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matchers-condition: and
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matchers:
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- type: word
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part: body
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words:
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- '"clientId":"security-admin-console"'
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- '"secret":'
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condition: and
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- type: word
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part: header
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words:
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- 'application/json'
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- type: status
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status:
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- 200
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# digest: 4a0a0047304502201f345884c58dfcc695f374343e8a6e73f1e09258898a3ce7c24bcb6843f171a6022100eccc64ea1c2904bd250a915b963379a89c34634b0c0dfb065bd5de23d1e82342:922c64590222798bb761d5b6d8e72950 |