ZeroHour

CVE-2022-25898

PoC ×4
CVSS 3.1
9.8 critical
EPSS
1%p64
Published
()
Modified
Description

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.

Vendors
kjur
Products
jsrsasign
Weakness
CWE-347
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

In the news

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