CVE-2015-7546

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The identity service in OpenStack Identity (Keystone) before 2015.1.3 (Kilo) and 8.0.x before 8.0.2 (Liberty) and keystonemiddleware (formerly python-keystoneclient) before 1.5.4 (Kilo) and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers, which allows remote authenticated users to bypass intended access restrictions and gain access to cloud resources by manipulating byte fields within a revoked token.

El servicio de identificación en OpenStack Identity (Keystone) en versiones anteriores a 2015.1.3 (Kilo) y 8.0.x en versiones anteriores a 8.0.2 (Liberty) y keystonemiddleware (anteriormente python-keystoneclient) en versiones anteriores a 1.5.4 (Kilo) y Liberty en versiones anteriores a 2.3.3 no invalida correctamente los tokens de autorización cuando utiliza los proveedores de token PKI o PKIZ, lo que permite a usuarios remotos autenticados eludir las restricciones de acceso previstas y obtener acceso a recursos de la nube manipulando los campos byte dentro de un token revocado.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-09-29 CVE Reserved
2016-02-03 CVE Published
2023-11-26 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-522: Insufficiently Protected Credentials

CAPEC

References (5)

URL	Tag	Source
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html	Third Party Advisory
http://www.securityfocus.com/bid/80498	Third Party Advisory
https://bugs.launchpad.net/keystone/+bug/1490804	Issue Tracking

URL	Date	SRC

URL	Date	SRC
https://security.openstack.org/ossa/OSSA-2016-005.html	2020-06-02

URL	Date	SRC
https://wiki.openstack.org/wiki/OSSN/OSSN-0062	2020-06-02

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openstack Search vendor "Openstack"		Keystonemiddleware Search vendor "Openstack" for product "Keystonemiddleware"				>= 1.5.0 <= 1.5.3 Search vendor "Openstack" for product "Keystonemiddleware" and version " >= 1.5.0 <= 1.5.3"		-		Affected
Openstack Search vendor "Openstack"		Keystonemiddleware Search vendor "Openstack" for product "Keystonemiddleware"				>= 1.6.0 <= 2.3.2 Search vendor "Openstack" for product "Keystonemiddleware" and version " >= 1.6.0 <= 2.3.2"		-		Affected
Openstack Search vendor "Openstack"		Keystone Search vendor "Openstack" for product "Keystone"				>= 8.0.0 < 8.0.2 Search vendor "Openstack" for product "Keystone" and version " >= 8.0.0 < 8.0.2"		-		Affected
Openstack Search vendor "Openstack"		Keystone Search vendor "Openstack" for product "Keystone"				>= 2015.1.0 <= 2015.1.2 Search vendor "Openstack" for product "Keystone" and version " >= 2015.1.0 <= 2015.1.2"		-		Affected
Oracle Search vendor "Oracle"		Solaris Search vendor "Oracle" for product "Solaris"				11.3 Search vendor "Oracle" for product "Solaris" and version "11.3"		-		Affected