Upstream information
Description
The json-jwt (aka JSON::JWT) gem 1.16.3 for Ruby sometimes allows bypass of identity checks via a sign/encryption confusion attack. For example, JWE can sometimes be used to bypass JSON::JWT.decode.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
| CVSS detail | CNA (CISA-ADP) | 
|---|---|
| Base Score | 8.4 | 
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 
| Attack Vector | Local | 
| Attack Complexity | Low | 
| Privileges Required | None | 
| User Interaction | None | 
| Scope | Unchanged | 
| Confidentiality Impact | High | 
| Integrity Impact | High | 
| Availability Impact | High | 
| CVSSv3 Version | 3.1 | 
SUSE Security Advisories:
- openSUSE-SU-2025:0004-1, published Tue Jan 7 22:50:44 2025
 
List of released packages
| Product(s) | Fixed package version(s) | References | 
|---|---|---|
| SUSE Package Hub 15 SP5 | 
  |  Patchnames:  openSUSE-2025-4  | 
| openSUSE Leap 15.5 | 
  |  Patchnames:  openSUSE-2025-4  | 
SUSE Timeline for this CVE
CVE page created: Thu Feb 29 03:13:11 2024CVE page last modified: Mon Oct 6 19:47:55 2025