PT-2017-10709 · Ruby · Private Address Check

Published 2017-11-16 · Updated 2019-10-09 · CVE-2017-0909

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions private address check ruby gem versions prior to 0.4.1

Description The issue is related to an incomplete blacklist of common private/local network addresses, which can be used to prevent server-side request forgery. This incompleteness can lead to a bypass.

Recommendations For versions prior to 0.4.1, update to version 0.4.1 or later to resolve the issue.

Fix

Incomplete List of Disallowed Inputs

Weakness Enumeration

CWE-184

Related Identifiers

CVE-2017-0909

GHSA-3V3C-R5V2-68PH

Affected Products

Private Address Check

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2017-0909 · Security Note
• https://osv.dev/vulnerability/CVE-2017-0909 · Vendor Advisory
• https://hackerone.com/reports/288950 · Patch
• https://osv.dev/vulnerability/GHSA-3v3c-r5v2-68ph · Vendor Advisory
• https://github.com/jtdowney/private_address_check/pull/3 · Note
• https://github.com/jtdowney/private_address_check · Note
• https://github.com/advisories/GHSA-3v3c-r5v2-68ph · Note