CVE-2016-4911

CVSS V2 Medium 4 CVSS V3 Medium 4.3
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.
Overview
  • CVE ID
  • CVE-2016-4911
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2016-06-13T14:59:07
  • Last Modified Date
  • 2022-07-23T10:22:17
Weakness Enumerations
CWE URL
CWE-284 http://cwe.mitre.org/data/definitions/284.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:keystone:openstack_identity:9.0.0.0:rc3:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2016/05/17/10
https://security.openstack.org/ossa/OSSA-2016-008.html Patch Vendor Advisory
https://review.openstack.org/#/c/311886/
http://www.openwall.com/lists/oss-security/2016/05/17/11
https://bugs.launchpad.net/keystone/+bug/1577558
http://www.securityfocus.com/bid/90728
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-4911
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4911
History
Created Old Value New Value Data Type Notes
2022-05-10 10:04:35 Added to TrackCVE
2022-12-02 09:54:24 2016-06-13T14:59Z 2016-06-13T14:59:07 CVE Published Date updated
2022-12-02 09:54:24 2022-07-23T10:22:17 CVE Modified Date updated
2022-12-02 09:54:25 Analyzed Vulnerability Status updated