Improper Input Validation The advisory has been revoked - it doesn't affect any version of package ruby-json-jwt (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1910-RUBYJSONJWT-579971
- published12 Nov 2019
- disclosed12 Nov 2019
Introduced: 12 Nov 2019
CVE-2019-18848 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby-json-jwt package and not the ruby-json-jwt package as distributed by Ubuntu.
The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-18848
- https://security-tracker.debian.org/tracker/CVE-2019-18848
- https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a
- https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0
- https://lists.debian.org/debian-lts-announce/2020/10/msg00001.html