Open Stack

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OpenStack Security Advisory: 2013-003
CVE: CVE-2013-0247
Date: February 5, 2013
Title: Keystone denial of service through invalid token requests
Reporter: Dan Prince (Red Hat)
Products: Keystone
Affects: All versions

Description:
Dan Prince of Red Hat reported a vulnerability in token creation error
handling in Keystone. By requesting lots of invalid tokens, an
unauthenticated user may fill up logs on Keystone API servers disks,
potentially resulting in a denial of service attack against Keystone.

Grizzly (development branch) fix:
https://github.com/openstack/keystone/commit/8ec247bf61be0e487332d5d891246d2b7b606989

Folsom fix:
https://github.com/openstack/keystone/commit/bb2226f944aaa38beb7fc08ce0a78796e51e2680

Essex fix:
https://review.openstack.org/#/c/21216/

References:
https://bugs.launchpad.net/keystone/+bug/1098307
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2013-0247

- -- 
Thierry Carrez (ttx)
OpenStack Vulnerability Management Team
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