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CVE-2019-18848 — Vulnerability in json-jwt — CVE Details

HIGH

JSON-jwt Gem lacked element count during splitting of JWE string

Published November 14, 2019Updated February 16, 2024Source: osv

Summary

The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.

Advisory Timeline

  • First published November 14, 2019 (2524 days ago).
  • Last revised February 16, 2024 — 1555 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update json-jwt to 1.11.0 or later
gem install json-jwt -v 1.11.0

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

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
json-jwt
rubygems
0.0.0, 0.0.1, 0.0.2, 0.0.3 (+75 more)1.11.0

Vulnerability Classification

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

  • CWE-287
    Improper AuthenticationMITRE

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-2019-18848?
JSON-jwt Gem lacked element count during splitting of JWE string 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-2019-18848?
CVE-2019-18848 affects json-jwt. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-18848 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-cff7-6h4q-q5pj

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