65 lines
2.0 KiB
YAML
65 lines
2.0 KiB
YAML
id: open-proxy-portscan
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info:
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name: Open Proxy to Ports on the Proxy's localhost Interface
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author: sullo
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severity: high
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description: The host is configured as a proxy which allows access to its internal interface
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reference:
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- https://blog.projectdiscovery.io/abusing-reverse-proxies-internal-access/
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- https://en.wikipedia.org/wiki/Open_proxy
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- https://www.acunetix.com/vulnerabilities/web/apache-configured-to-run-as-proxy/
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
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cvss-score: 8.6
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cwe-id: CWE-441
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remediation: Disable the proxy or restrict configuration to only allow access to approved hosts/ports.
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tags: exposure,config,proxy,misconfig,fuzz
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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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- |+
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GET http://somethingelsethatdoesnotexist/ HTTP/1.1
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Host: somethingelsethatdoesnotexist
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GET http://127.0.0.1:21 HTTP/1.1
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Host: 127.0.0.1
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GET http://127.0.0.1:22 HTTP/1.1
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Host: 127.0.0.1
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GET http://127.0.0.1:25 HTTP/1.1
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Host: 127.0.0.1
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GET http://127.0.0.1:110 HTTP/1.1
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Host: 127.0.0.1
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GET http://127.0.0.1:587 HTTP/1.1
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Host: 127.0.0.1
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GET https://127.0.0.1:587 HTTP/1.1
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Host: 127.0.0.1
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unsafe: true
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req-condition: true
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matchers:
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- type: dsl
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condition: or
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dsl:
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- (!regex("(?i)FTP",body_1)) && (!regex("(?i)FTP",body_2)) && (regex("(?i)FTP",body_3))
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- (!regex("(?i)SSH-[.]+-+",body_1)) && (!regex("(?i)SSH-[.]+-+",body_2)) && (regex("(?i)SSH-[.]+-+",body_4))
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- (!regex("(?i)POP3",body_1)) && (!regex("(?i)POP3",body_2)) && (regex("(?i)POP3",body_6))
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- (!regex("(?i)SMTP",body_1)) && (!regex("(?i)SMTP",body_2)) && ((regex("(?i)SMTP",body_5)) || (regex("(?i)SMTP",body_7)) || (regex("(?i)SMTP",body_8)))
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# Enhanced by cs on 2022/01/21
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