CVE-2022-39299

Signature bypass via multiple root elements in Passport-SAML

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to passport-saml version 3.2.2 or newer. The issue was also present in the beta releases of `node-saml` before version 4.0.0-beta.5. If you cannot upgrade, disabling SAML authentication may be done as a workaround.

Passport-SAML es un proveedor de autenticación SAML versión 2.0 para Passport, la biblioteca de autenticación de Node.js. Un atacante remoto puede ser capaz de omitir la autenticación SAML en un sitio web usando passport-saml. Un ataque con éxito requiere que el atacante esté en posesión de un elemento XML firmado por un IDP arbitrario. Dependiendo del IDP usado, también podrían ser factibles los ataques sin autenticación (por ejemplo, sin acceso a un usuario válido) si puede activarse la generación de un mensaje firmado. Los usuarios deben actualizar a versión 3.2.2 de passport-saml o más reciente. El problema también estaba presente en las versiones beta de "node-saml" versiones anteriores a 4.0.0-beta.5. Si no puede actualizarse, puede deshabilitarse la autenticación SAML como mitigación

Node-saml and its partner project passport-saml are vulnerable to an authentication bypass due to lax parsing of SAML responses.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-09-02 CVE Reserved
2022-10-12 CVE Published
2024-06-02 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-347: Improper Verification of Cryptographic Signature

CAPEC

References (3)

URL	Tag	Source
http://packetstormsecurity.com/files/169826/Node-saml-Root-Element-Signature-Bypass.html	Third Party Advisory
https://github.com/node-saml/passport-saml/security/advisories/GHSA-m974-647v-whv7	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/node-saml/passport-saml/commit/8b7e3f5a91c8e5ac7e890a0c90bc7491ce33155e	2023-01-20

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Passport-saml Project Search vendor "Passport-saml Project"		Passport-saml Search vendor "Passport-saml Project" for product "Passport-saml"				< 3.2.2 Search vendor "Passport-saml Project" for product "Passport-saml" and version " < 3.2.2"		node.js		Affected
Passport-saml Project Search vendor "Passport-saml Project"		Passport-saml Search vendor "Passport-saml Project" for product "Passport-saml"				4.0.0 Search vendor "Passport-saml Project" for product "Passport-saml" and version "4.0.0"		beta1, node.js		Affected
Passport-saml Project Search vendor "Passport-saml Project"		Passport-saml Search vendor "Passport-saml Project" for product "Passport-saml"				4.0.0 Search vendor "Passport-saml Project" for product "Passport-saml" and version "4.0.0"		beta2, node.js		Affected
Passport-saml Project Search vendor "Passport-saml Project"		Passport-saml Search vendor "Passport-saml Project" for product "Passport-saml"				4.0.0 Search vendor "Passport-saml Project" for product "Passport-saml" and version "4.0.0"		beta3, node.js		Affected
Passport-saml Project Search vendor "Passport-saml Project"		Passport-saml Search vendor "Passport-saml Project" for product "Passport-saml"				4.0.0 Search vendor "Passport-saml Project" for product "Passport-saml" and version "4.0.0"		beta4, node.js		Affected