CVE-2022-25898

Improper Verification of Cryptographic Signature

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

El paquete jsrsasign versiones anteriores a 10.5.25, es vulnerable a una Verificación Inapropiada de la Firma Criptográfica cuando la firma JWS o JWT con caracteres especiales de codificación no Base64URL o con caracteres de escape de número puede ser comprobada como válida por error. Mitigación: Comprobar la firma JWS o JWT si presenta Base64URL y cadena de puntos segura antes de ejecutar el método JWS.verify() o JWS.verifyJWT()

*Credits: Adi Malyanker, Or David

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-02-24 CVE Reserved
2022-07-01 CVE Published
2024-09-16 CVE Updated
2024-09-16 First Exploit
2024-09-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-347: Improper Verification of Cryptographic Signature

CAPEC

References (6)

URL	Tag	Source
https://github.com/kjur/jsrsasign/releases/tag/10.5.25	Release Notes

URL	Date	SRC
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2935898	2024-09-16
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBKJUR-2935897	2024-09-16
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2935896	2024-09-16
https://snyk.io/vuln/SNYK-JS-JSRSASIGN-2869122	2024-09-16

URL	Date	SRC
https://github.com/kjur/jsrsasign/commit/4536a6e9e8bcf1a644ab7c07ed96e453347dae41	2022-07-13

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Jsrsasign Project Search vendor "Jsrsasign Project"		Jsrsasign Search vendor "Jsrsasign Project" for product "Jsrsasign"				>= 4.8.0 < 10.5.25 Search vendor "Jsrsasign Project" for product "Jsrsasign" and version " >= 4.8.0 < 10.5.25"		node.js		Affected