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modules/recon/rails-database-yml-exposure.yaml flags an exposed config/database.yml on the adapter key paired with a credential key, then extracts the database name. requiring a credential key keeps a credential free sqlite config from being reported as a high severity leak. modules/recon/rails-secrets-yml-exposure.yaml flags an exposed config/secrets.yml on the secret_key_base key and extracts the secret, the value an attacker needs to forge rails sessions. modules/recon/rails-master-key-exposure.yaml flags an exposed master key, the 32 hex value that decrypts the encrypted credentials store. the matcher anchors the hex to the whole body so a longer digest such as a sha256 served at the same path does not match, and the same probe covers config/credentials. internal/modules/rails_secret_exposure_test.go drives the three modules end to end through ExecuteHTTPModule and asserts the leak alongside the near misses a strict review wants pinned: a credential free sqlite config, a longer hex digest, a hex value away from the body start, an html page naming the markers, a config without the markers and a 404, none of which may match. verify: go test ./internal/modules, each matcher, guard, anchor and extractor proven to bite (break -> red, restore -> green).
47 lines
896 B
YAML
47 lines
896 B
YAML
# Rails Secrets Config Exposure Detection Module
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id: rails-secrets-yml-exposure
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info:
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name: Rails Secrets Config Exposure
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author: sif
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severity: high
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description: Detects an exposed Rails config/secrets.yml that leaks the secret key base
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tags: [rails, ruby, secrets, secret-key-base, exposure, recon]
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type: http
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http:
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method: GET
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paths:
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- "{{BaseURL}}/config/secrets.yml"
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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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part: body
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words:
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- "secret_key_base:"
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- type: word
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part: body
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negative: true
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condition: or
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words:
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- "<!DOCTYPE"
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- "<!doctype"
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- "<html"
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- "<HTML"
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- "<head>"
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- "<title>"
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extractors:
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- type: regex
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name: secret_key_base
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part: body
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regex:
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- 'secret_key_base:\s*["'']?([a-f0-9]{32,})'
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group: 1
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