CVE-2019-15941

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

OpenID Connect Issuer in LemonLDAP::NG 2.x through 2.0.5 may allow an attacker to bypass access control rules via a crafted OpenID Connect authorization request. To be vulnerable, there must exist an OIDC Relaying party within the LemonLDAP configuration with weaker access control rules than the target RP, and no filtering on redirection URIs.

OpenID Connect Issuer en LemonLDAP::NG versiones 2.x hasta 2.0.5, puede permitir a un atacante omitir las reglas del control de acceso por medio de una petición de autorización diseñada de OpenID Connect. Para ser vulnerable, debe existir una parte de Retransmisión de OIDC dentro de la configuración de LemonLDAP con reglas de control de acceso más débiles que el RP destino y sin filtrado en los URI de redireccionamiento.

*Credits: N/A

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

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

2019-09-05 CVE Reserved
2019-09-25 CVE Published
2024-08-05 CVE Updated
2024-09-18 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-863: Incorrect Authorization

CAPEC

References (4)

URL	Tag	Source
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1881	Third Party Advisory
https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-0-6-is-out	Third Party Advisory
https://seclists.org/bugtraq/2019/Sep/46	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.debian.org/security/2019/dsa-4533	2020-08-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Lemonldap-ng Search vendor "Lemonldap-ng"		Lemonldap:: Search vendor "Lemonldap-ng" for product "Lemonldap::"				>= 2.0.0 <= 2.0.5 Search vendor "Lemonldap-ng" for product "Lemonldap::" and version " >= 2.0.0 <= 2.0.5"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected