Home/CVE/The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common priva
CVE

CVE-2017-0909

The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common priva

The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery.

CRITICAL · CVSS 9.8 EPSS 0.00339
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-184Incomplete List of Disallowed Inputs
▤

Affected Products & Versions

1
private address check project private address check< 0.4.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems private_address_check HIGH fixed in 0.4.1
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Nov 2017 · 10:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/jtdowney/private_address_check/pull/3Issue TrackingThird Party Advisory
https://hackerone.com/reports/288950Issue TrackingPatchThird Party Advisory
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