CVE-2015-7546
OpenStack Keystone Token Manipulation Authentication Bypass
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.
INFO
Published Date :
Feb. 3, 2016, 6:59 p.m.
Last Modified :
June 2, 2020, 6:57 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
1.6
Affected Products
The following products are affected by CVE-2015-7546
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-7546.
| URL | Resource |
|---|---|
| http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html | Third Party Advisory |
| http://www.securityfocus.com/bid/80498 | Third Party Advisory VDB Entry |
| https://bugs.launchpad.net/keystone/+bug/1490804 | Issue Tracking Third Party Advisory |
| https://security.openstack.org/ossa/OSSA-2016-005.html | Patch Vendor Advisory |
| https://wiki.openstack.org/wiki/OSSN/OSSN-0062 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-7546 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-7546 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jun. 02, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html No Types Assigned http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/80498 No Types Assigned http://www.securityfocus.com/bid/80498 Third Party Advisory, VDB Entry Changed Reference Type https://bugs.launchpad.net/keystone/+bug/1490804 No Types Assigned https://bugs.launchpad.net/keystone/+bug/1490804 Issue Tracking, Third Party Advisory Removed CWE NIST CWE-254 Added CWE NIST CWE-522 Changed CPE Configuration OR *cpe:2.3:a:openstack:python-keystoneclient:1.5.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.5.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.5.2:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.5.3:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.6.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.6.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.7.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.0.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.1.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.2.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.3.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.3.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.3.2:*:*:*:*:*:*:* OR *cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:* versions from (including) 1.5.0 up to (including) 1.5.3 *cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:* versions from (including) 1.6.0 up to (including) 2.3.2 Changed CPE Configuration OR *cpe:2.3:a:openstack:keystone:8.0.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:keystone:8.0.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* versions up to (including) 2015.1.2 OR *cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (excluding) 8.0.2 *cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* versions from (including) 2015.1.0 up to (including) 2015.1.2 Added CPE Configuration OR *cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/80498 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 04, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html -
Modified Analysis by [email protected]
Mar. 16, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:openstack:python-keystoneclient:1.5.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.5.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.5.2:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.6.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.6.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.7.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.0.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.1.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.2.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.3.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.3.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:2.3.2:*:*:*:*:*:*:* *cpe:2.3:a:openstack:python-keystoneclient:1.5.3:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:openstack:keystone:8.0.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:keystone:8.0.0:*:*:*:*:*:*:* *cpe:2.3:a:openstack:keystone:2015.1.2:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:M/Au:S/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://wiki.openstack.org/wiki/OSSN/OSSN-0062 No Types Assigned https://wiki.openstack.org/wiki/OSSN/OSSN-0062 Advisory Changed Reference Type https://security.openstack.org/ossa/OSSA-2016-005.html No Types Assigned https://security.openstack.org/ossa/OSSA-2016-005.html Advisory, Patch Added CWE CWE-254 -
Initial Analysis by [email protected]
Mar. 16, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-7546 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-7546
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.21 }} -0.00%
score
0.58759
percentile