CVE-2016-4911
OpenStack Keystone Fernet Token Bypass
Description
The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token.
INFO
Published Date :
June 13, 2016, 2:59 p.m.
Last Modified :
July 23, 2022, 10:22 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2016-4911
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-2016-4911.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/05/17/10 | Mailing List |
| http://www.openwall.com/lists/oss-security/2016/05/17/11 | Mailing List |
| http://www.securityfocus.com/bid/90728 | Third Party Advisory VDB Entry |
| https://bugs.launchpad.net/keystone/+bug/1577558 | Vendor Advisory |
| https://review.openstack.org/#/c/311886/ | Vendor Advisory |
| https://security.openstack.org/ossa/OSSA-2016-008.html | Patch 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-2016-4911 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-4911 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]
Jul. 23, 2022
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2016/05/17/10 No Types Assigned http://www.openwall.com/lists/oss-security/2016/05/17/10 Mailing List Changed Reference Type http://www.openwall.com/lists/oss-security/2016/05/17/11 No Types Assigned http://www.openwall.com/lists/oss-security/2016/05/17/11 Mailing List Changed Reference Type http://www.securityfocus.com/bid/90728 No Types Assigned http://www.securityfocus.com/bid/90728 Third Party Advisory, VDB Entry Changed Reference Type https://bugs.launchpad.net/keystone/+bug/1577558 No Types Assigned https://bugs.launchpad.net/keystone/+bug/1577558 Vendor Advisory Changed Reference Type https://review.openstack.org/#/c/311886/ No Types Assigned https://review.openstack.org/#/c/311886/ Vendor Advisory Changed CPE Configuration OR *cpe:2.3:a:openstack_project:openstack_identity:9.0.0.0:rc1:*:*:*:*:*:* *cpe:2.3:a:openstack_project:openstack_identity:9.0.0.0:rc2:*:*:*:*:*:* *cpe:2.3:a:openstack_project:openstack_identity:9.0.0.0:rc3:*:*:*:*:*:* OR *cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc1:*:*:*:*:*:* *cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc2:*:*:*:*:*:* *cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc3:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/90728 [No Types Assigned] -
Modified Analysis by [email protected]
Jun. 15, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:openstack_project:openstack_identity:9.0.0.0:rc3:*:*:*:*:*:* *cpe:2.3:a:openstack_project:openstack_identity:9.0.0.0:rc2:*:*:*:*:*:* *cpe:2.3:a:openstack_project:openstack_identity:9.0.0.0:rc1:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:P/A:N) Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Changed Reference Type https://security.openstack.org/ossa/OSSA-2016-008.html No Types Assigned https://security.openstack.org/ossa/OSSA-2016-008.html Advisory, Patch Added CWE CWE-284 -
Initial Analysis by [email protected]
Jun. 14, 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-2016-4911 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-2016-4911
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
0.57227
percentile