OSSA-2014-040: Horizon denial of service attack through login page

Date:December 09, 2014


  • Horizon: up to 2014.1.3 and 2014.2 version up to 2014.2.1


Eric Peterson from Time Warner Cable reported a vulnerability in Horizon. By making repeated requests to the Horizon login page a remote attacker may generate unwanted session records, potentially resulting in a denial of service. Only Horizon setups using a db or memcached session engine are affected.


  • Eric Peterson from Time Warner Cable (CVE-2014-8124)


  • This fix will be included in future 2014.1.3 and 2014.2.1 releases.
  • The django_openstack_auth Horizon dependency requires the additional patch above.