Ensure SSL connections are verified


ID: ruby-security/ssl-no-verify

Language: Ruby

Severity: Warning

Category: Security


The rule “Ensure SSL connections are verified” is a security best practice in Ruby development. It mandates the verification of SSL connections when making HTTPS requests. This is important because it prevents man-in-the-middle attacks, where an attacker could potentially intercept and alter the data being transmitted.

In the non-compliant code sample, the OpenSSL::SSL::VERIFY_NONE mode is used, which turns off the SSL certificate verification. This makes the connection vulnerable to potential attacks.

To comply with this rule and ensure secure coding practices, always use OpenSSL::SSL::VERIFY_PEER mode for SSL certificate verification, as demonstrated in the compliant code sample. This ensures that the SSL connection is verified and secure, preventing any unauthorized interception or alteration of data.

Non-Compliant Code Examples

require "net/https"
require "uri"

uri = URI.parse("https://example.com/")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE

Compliant Code Examples

require "net/https"
require "uri"

uri = URI.parse("https://example.com/")

http.verify_mode = OpenSSL::SSL::VERIFY_PEER
request = Net::HTTP::Get.new(uri.request_uri)
response = http.request(request)
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