Vulnerability CVE-2019-18848
Published: 2019-11-12

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

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Json-jwt project -> Json-jwt 

 References:
https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a
https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0
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