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CVE-2017-5946 — Directory traversal vulnerability in rubyzip — CVE...

CRITICAL

Directory traversal vulnerability in RubyZip

Published October 24, 2017Updated February 16, 2024Source: osv

Summary

The `Zip::File` component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses `../` pathname substrings to write arbitrary files to the filesystem.

Advisory Timeline

  • First published October 24, 2017 (3275 days ago).
  • Last revised February 16, 2024 — 2306 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update rubyzip to 1.2.1 or later
gem install rubyzip -v 1.2.1

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
rubyzip
rubygems
0.5.11, 0.5.12, 0.5.7, 0.5.8 (+19 more)1.2.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2017-5946?
Directory traversal vulnerability in RubyZip This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2017-5946?
CVE-2017-5946 affects rubyzip. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2017-5946 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-gcqq-w6gr-h9j9

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