cjose vulnerability

2023-08-2422:02:11

Google

osv.dev

jose

c/c++

aes gcm

decryption

vulnerability

sensitive information

denial of service

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

AI Score

7.1

Confidence

High

EPSS

0.003

Percentile

65.9%

JSON

It was discovered that JOSE for C/C++ AES GCM decryption routine incorrectly
uses the Tag length from the actual Authentication Tag provided in the JWE.
An attacker could use this to cause a denial of service (system crash) or
might expose sensitive information.