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CVE-2017-17042 — Arbitrary file read vulnerability in yard — CVE...

HIGH

Arbitrary file read vulnerability in yard server

Published December 21, 2017Updated February 16, 2024Source: osv

Summary

`lib/yard/core_ext/file.rb` in the server in YARD before 0.9.11 does not block relative paths with an initial `../` sequence, which allows attackers to conduct directory traversal attacks and read arbitrary files.

Advisory Timeline

  • First published December 21, 2017 (3217 days ago).
  • Last revised February 16, 2024 — 2248 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update yard to 0.9.11 or later
gem install yard -v 0.9.11

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

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
yard
rubygems
0.2.0, 0.2.1, 0.2.2, 0.2.3 (+61 more)0.9.11

Vulnerability Classification

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

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

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

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

References

Frequently Asked Questions

What is CVE-2017-17042?
Arbitrary file read vulnerability in yard server This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2017-17042?
CVE-2017-17042 affects yard. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2017-17042 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-gj4p-3wh3-2rmf

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