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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
keystone (PTS)buster2:14.2.0-0+deb10u1fixed
buster (security)2:14.2.0-0+deb10u2fixed
bullseye2:18.0.0-3+deb11u1fixed
bookworm2:22.0.0-2fixed
sid, trixie2:25.0.0-2fixed
python-keystonemiddleware (PTS)buster5.2.0-2fixed
bullseye9.1.0-2fixed
bookworm10.1.0-4fixed
sid, trixie10.6.0-2fixed

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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