GHSA-hxhj-hp9m-qwc4Medium
private_address_check vulnerable to bypass of Resolv.getaddresses method
🔗 CVE IDs covered (1)
📋 Description
The private_address_check ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery.
🎯 Affected products1
- rubygems/private_address_check:< 0.4.0
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2017-0904
- https://github.com/jtdowney/private_address_check/issues/1
- https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af
- https://hackerone.com/reports/287245
- https://hackerone.com/reports/287835
- https://edoverflow.com/2017/ruby-resolv-bug/
- https://github.com/advisories/GHSA-hxhj-hp9m-qwc4