CVE-2015-7546

NameCVE-2015-7546
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
keystone (PTS)stretch (security), stretch2:10.0.0-9+deb9u1fixed
buster, buster (security)2:14.2.0-0+deb10u1fixed
bullseye2:18.0.0-3fixed
bookworm, sid2:19.0.0-3fixed
python-keystonemiddleware (PTS)stretch4.9.0-2fixed
buster5.2.0-2fixed
bullseye9.1.0-2fixed
bookworm, sid9.2.0-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
keystonesource(unstable)2:9.0.0~rc2-1
python-keystonemiddlewaresource(unstable)3.0.0-1

Notes

[jessie] - keystone <no-dsa> (Too intrusive to backport, needs to switch to different token provider)
[wheezy] - keystone <no-dsa> (Too intrusive to backport, needs to switch to different token provider)
[jessie] - python-keystonemiddleware <no-dsa> (Too intrusive to backport, needs to switch to different token provider)
https://wiki.openstack.org/wiki/OSSN/OSSN-0062
Keystone: <= 2015.1.2, >= 8.0.0 <= 8.0.1
Keystonemiddleware: >= 1.5.0 <= 1.5.3, >= 1.6.0 <= 2.3.2

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