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CVE-2020-10663 — Unsafe object creation in json — CVE Details

HIGH

Unsafe object creation in json RubyGem

Published July 27, 2020Updated March 8, 2024Source: osv

Summary

The JSON gem through 2.2.0 for Ruby, as used in Ruby 2.4 through 2.4.9, 2.5 through 2.5.7, and 2.6 through 2.6.5, has an Unsafe Object Creation Vulnerability. This is quite similar to CVE-2013-0269/GHSA-x457-cw4h-hq5f, but does not rely on poor garbage-collection behavior within Ruby. Specifically, use of JSON parsing methods can lead to creation of a malicious object within the interpreter, with adverse effects that are application-dependent.

Advisory Timeline

  • First published July 27, 2020 (2268 days ago).
  • Last revised March 8, 2024 — 1319 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update json to 2.3.0 or later
gem install json -v 2.3.0

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

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
json
rubygems
0.4.0, 0.4.1, 0.4.2, 0.4.3 (+64 more)2.3.0

Vulnerability Classification

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

  • CWE-20
    Improper Input ValidationMITRE

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
None
Integrity
High
Availability
None

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

References

Frequently Asked Questions

What is CVE-2020-10663?
Unsafe object creation in json RubyGem 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-2020-10663?
CVE-2020-10663 affects json. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-10663 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-jphg-qwrw-7w9g

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