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CVE-2012-5571

Openstack keystone: openstack keystone: authorization bypass via improper ec2 token handling

MEDIUM
5.4
CVSS Score
Published: December 18, 2012 at 01:00 AM UTC
Updated: June 16, 2026 at 11:47 PM UTC
3 products affected across 2 vendorsFolsomEssexOpenStack Platform

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Severity
MEDIUM5.4
Exploit prediction
EPSS 2%

Description

OpenStack Keystone Essex (2012.1) and Folsom (2012.2) does not properly handle EC2 tokens when the user role has been removed from a tenant, which allows remote authenticated users to bypass intended authorization restrictions by leveraging a token for the removed user role.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (15)

Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2012-1556.html
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2012-1557.html
Third Party Advisoryx_refsource_SECUNIAVendor Advisory
Source: [email protected]
http://secunia.com/advisories/51423
Third Party Advisoryx_refsource_SECUNIAVendor Advisory
Source: [email protected]
http://secunia.com/advisories/51436
Mailing Listx_refsource_MLISTPatch
Source: [email protected]
http://www.openwall.com/lists/oss-security/2012/11/28/5
Mailing Listx_refsource_MLISTPatch
Source: [email protected]
http://www.openwall.com/lists/oss-security/2012/11/28/6
Source: [email protected]
http://www.securityfocus.com/bid/56726

CVSS

5.4MEDIUMredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-255CWE-639

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