VDB-80783 · CVE-2015-7546 · BID 80498

OpenStack Identity up to 2015.1.2/8.0.1 Identity Service 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in OpenStack Identity up to 2015.1.2/8.0.1 and classified as problematic. Affected is an unknown function of the component Identity Service. The manipulation leads to 7pk security. This vulnerability is listed as CVE-2015-7546. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in OpenStack Identity up to 2015.1.2/8.0.1 (Cloud Software). It has been rated as critical. This issue affects an unknown part of the component Identity Service. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 02/03/2016 (Website). It is possible to read the advisory at wiki.openstack.org. The identification of this vulnerability is CVE-2015-7546 since 09/29/2015. The attack may be initiated remotely. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 296002 (Solaris 11.3 Support Repository Update (SRU) 9.4.0 Missing).

Upgrading to version 2015.1.3 or 8.0.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 80498†). See VDB-74783, VDB-78889, VDB-80607 and VDB-80673 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Identity 2015.1.3/8.0.2

Timelineinfo

09/01/2015 🔍
09/29/2015 +28 days 🔍
02/03/2016 +127 days 🔍
02/03/2016 +0 days 🔍
02/05/2016 +2 days 🔍
07/15/2018 +891 days 🔍

Sourcesinfo

Vendor: openstack.org

Advisory: wiki.openstack.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7546 (🔍)
GCVE (CVE): GCVE-0-2015-7546
GCVE (VulDB): GCVE-100-80783
SecurityFocus: 80498 - OpenStack Keystone PKI Token Revocation CVE-2015-7546 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 02/05/2016 09:46
Updated: 07/15/2018 16:30
Changes: 02/05/2016 09:46 (55), 07/15/2018 16:30 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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