Vulnerability DatabaseCVE-2023-51774
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2023-51774
December 25, 2023
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.
Affected Packages
json-jwt (RUBY):
Affected version(s) >=0.0.0 <1.15.3.1
Fix Suggestion:
Update to version 1.15.3.1
json-jwt (RUBY):
Affected version(s) >=1.16.0 <1.16.6
Fix Suggestion:
Update to version 1.16.6
Related Resources (8)
https://github.com/nov/json-jwt/commit/593ea8bcaf2629048bad8c036191f2da0a2e713c
https://github.com/nov/json-jwt
https://github.com/nov/json-jwt/issues/120
https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2023-51774.yml
https://nvd.nist.gov/vuln/detail/CVE-2023-51774
https://github.com/nov/json-jwt/issues/121
https://github.com/nov/json-jwt/commit/9c4d842a9465bd7960570ca326c3de79b4abc9d0
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.6
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Access Control
CWE-284
EPSS
Base Score:
0.01