CVE-2022-25898 HIGH

CVE-2022-25898: Improper Verification of Cryptographic Signature

Vendor N/A
Product jsrsasign
Published July 1, 2022
Last update September 16, 2024

CVSS base score

7.7/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The package jsrsasign before 10.5.25 are vulnerable to Improper Verification of Cryptographic Signature when JWS or JWT signature with non Base64URL encoding special characters or number escaped characters may be validated as valid by mistake. Workaround: Validate JWS or JWT signature if it has Base64URL and dot safe string before executing JWS.verify() or JWS.verifyJWT() method.

Key dates

02Disclosure timeline

July 1, 2022 CVE published
September 16, 2024 Record updated