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private_address_check vulnerable to bypass of Resolv.getaddresses method

Moderate severity GitHub Reviewed Published Nov 29, 2017 to the GitHub Advisory Database • Updated Jan 23, 2023

Package

bundler private_address_check (RubyGems)

Affected versions

< 0.4.0

Patched versions

0.4.0

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.

References

Published to the GitHub Advisory Database Nov 29, 2017
Reviewed Jun 16, 2020
Last updated Jan 23, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(71st percentile)

Weaknesses

CVE ID

CVE-2017-0904

GHSA ID

GHSA-hxhj-hp9m-qwc4

Source code

No known source code
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