High severity · published Feb 3, 2016
CVE-2015-7546
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…
7.5
CVSS
2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keystone · Openstack
8.0.0 before 8.0.2; 2015.1.0 through 2015.1.2 · source: NVD
KE
Keystonemiddleware · Openstack
1.5.0 through 1.5.3; 1.6.0 through 2.3.2 · source: NVD
SO
Solaris · Oracle
11.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-7546
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-7546
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Third Party Advisory
http://www.securityfocus.com/bid/80498
Issue Tracking
https://bugs.launchpad.net/keystone/+bug/1490804
Patch
https://security.openstack.org/ossa/OSSA-2016-005.html
Vendor Advisory
https://wiki.openstack.org/wiki/OSSN/OSSN-0062
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