CVE-2019-18848: JSON-jwt Gem lacked element count during splitting of JWE string

CVE-2019-18848 · Severity: low · CVSS 3.1 · Published 2019-11-14

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

Technologies: json-jwt (RubyGems). Vendors: RubyGems.

Quick answers

Is CVE-2019-18848 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2019-18848 being exploited in the wild.
How severe is CVE-2019-18848?
Low severity, with a CVSS score of 3.1, published 14 November 2019.
Which products and versions are affected?
json-jwt (RubyGems) ECOSYSTEM:introduced=0,fixed=1.11.0.
Is there a fix for CVE-2019-18848?
Yes. json-jwt (RubyGems): upgrade to 1.11.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2019-18848?
Check whether you run json-jwt (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • json-jwt (RubyGems): upgrade to 1.11.0 or later
    bundle update json-jwt

Affected products

  • json-jwt (RubyGems) ECOSYSTEM:introduced=0,fixed=1.11.0

Identifiers

  • CVE-2019-18848
  • GHSA-cff7-6h4q-q5pj

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