CVE-2017-0909: Cross-Site Request Forgery (CSRF)

November 16, 2017 (updated October 9, 2019)

The private_address_check ruby gem is vulnerable to a bypass due to an incomplete denylist of common private/local network addresses used to prevent server-side request forgery.

References

github.com/jtdowney/private_address_check/pull/3
hackerone.com/reports/288950
nvd.nist.gov/vuln/detail/CVE-2017-0909

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