CVE-2015-7546

Upstream information

CVE-2015-7546 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
	National Vulnerability Database	SUSE
Base Score	6	5.4
Vector	AV:N/AC:M/Au:S/C:P/I:P/A:P	AV:A/AC:M/Au:N/C:P/I:P/A:P
Access Vector	Network	Adjacent Network
Access Complexity	Medium	Medium
Authentication	Single	None
Confidentiality Impact	Partial	Partial
Integrity Impact	Partial	Partial
Availability Impact	Partial	Partial

CVSS v3 Scores
	National Vulnerability Database
Base Score	7.5
Vector	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector	Network
Access Complexity	High
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High
CVSSv3 Version	3.1

Note from the SUSE Security Team

SUSE OpenStack Cloud 5 is affected by this problem, but we can not change this per update. The Administrator can apply a change to fix this security problem in the Keystone Barclamp, 'Algorithm for Token Generation'. Please refer to the OpenStack Security Notice for the details.

SUSE Bugzilla entry: 958756 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s)	Fixed package version(s)	References
SUSE OpenStack Cloud 6	`crowbar-openstack >= 3.0+git.1456169766.1e60d19-1.1`

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.