CVE-2015-7546 — Vulnetix

CVE-2015-7546 REJECTED

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.

EPSS 0.10% · 28.1th percentile

Risk Scores

EPSS Score

0.10%

28.1th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	keystone	*, 0, 2:8.0.0-0ubuntu1
Ubuntu:16.04:LTS	python-keystonemiddleware	2.3.0-1, 2.3.0-3, 4.4.0-2

Exploit Intelligence

https://wiki.openstack.org/wiki/OSSN/OSSN-0062 (circl)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (circl)
https://bugs.launchpad.net/keystone/+bug/1490804 (circl)
https://security.openstack.org/ossa/OSSA-2016-005.html (circl)
80498 (circl)

Timeline

Feb 3, 2016 CVE Published
Feb 4, 2022 EPSS Score
Mar 29, 2022 EPSS Score
May 20, 2022 EPSS Score
Sep 3, 2022 EPSS Score
Oct 26, 2022 EPSS Score
Dec 18, 2022 EPSS Score
Feb 8, 2023 EPSS Score
Mar 7, 2023 EPSS Score
Apr 2, 2023 EPSS Score
Jul 16, 2023 EPSS Score
Sep 7, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2015-7546 third-party-advisory
https://wiki.openstack.org/wiki/OSSN/OSSN-0062 third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2015-7546 third-party-advisory

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