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.
References
Link Resource
https://edoverflow.com/2017/ruby-resolv-bug/ Issue Tracking Third Party Advisory
https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af Third Party Advisory
https://github.com/jtdowney/private_address_check/issues/1 Issue Tracking Third Party Advisory
https://hackerone.com/reports/287245 Issue Tracking Mitigation Patch Third Party Advisory
https://hackerone.com/reports/287835 Permissions Required Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: hackerone

Published: 2017-11-05T00:00:00

Updated: 2017-11-13T16:57:01

Reserved: 2016-11-30T00:00:00


Link: CVE-2017-0904

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2017-11-13T17:29:00.347

Modified: 2019-10-09T23:21:10.900


Link: CVE-2017-0904

JSON object: View

cve-icon Redhat Information

No data.