{
  "modified": "2025-08-09T19:01:28Z",
  "published": "2013-11-02T19:55:04Z",
  "id": "CVE-2013-4477",
  "details": "The LDAP backend in OpenStack Identity (Keystone) Grizzly and Havana, when removing a role on a tenant for a user who does not have that role, adds the role to the user, which allows local users to gain privileges.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://rhn.redhat.com/errata/RHSA-2014-0113.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.ubuntu.com/usn/USN-2034-1"
    },
    {
      "type": "EVIDENCE",
      "url": "https://bugs.launchpad.net/keystone/+bug/1242855"
    },
    {
      "type": "FIX",
      "url": "http://www.openwall.com/lists/oss-security/2013/10/30/6"
    }
  ]
}