DescriptionThe auth_token middleware in the OpenStack Python client library for Keystone (aka python-keystoneclient) before 0.7.0 does not properly retrieve user tokens from memcache, which allows remote authenticated users to gain privileges in opportunistic circumstances via a large number of requests, related to an "interaction between eventlet and python-memcached."
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
Debian Bugs742898

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
bullseye, sid2:18.0.0-3fixed
python-keystoneclient (PTS)stretch1:3.2.0-4fixed
bullseye, sid1:4.1.1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-keystoneclientsourcewheezy(not affected)


[wheezy] - python-keystoneclient <not-affected> (Vulnerable code yet in src:keystone)
[wheezy] - keystone <no-dsa> (Minor issue)
From 2013.1.1-2 the is in python-keystoneclient

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