CVE-2017-0904

HighCVSS 8.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 8.1/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-242 CWE-755

Affected software

No affected versions have been published.

Timeline

Published: Nov 13, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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