2021-05-09 17:10:56 +00:00
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id: xff-403-bypass
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info:
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name: X-Forwarded-For 403-forbidden bypass
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author: vavkamil
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severity: info
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description: Template to detect 403 forbidden endpoint bypass behind Nginx/Apache proxy & load balancers, based on X-Forwarded-For header.
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2021-09-21 11:46:53 +00:00
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tags: fuzz
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2021-05-09 17:10:56 +00:00
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requests:
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- raw:
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- |
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GET / HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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- |
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GET / HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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X-Forwarded-For: 127.0.0.1, 0.0.0.0, 192.168.0.1, 10.0.0.1, 172.16.0.1
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- |
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GET /test.txt HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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X-Forwarded-For: 127.0.0.1, 0.0.0.0, 192.168.0.1, 10.0.0.1, 172.16.0.1
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req-condition: true
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matchers:
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- type: dsl
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dsl:
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- "status_code_1 == 403 && status_code_2 != 403"
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- "status_code_1 == 403 && status_code_3 != 403"
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condition: or
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