Ubuntu 14.04 : keystone vulnerabilities (USN-2324-1)

Ubuntu Security Notice (C) 2014 Canonical, Inc. / NASL script (C) 2014 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Steven Hardy discovered that OpenStack Keystone did not properly
handle chained delegation. A remove authenticated attacker could use
this to gain privileges by creating a new token with additional roles.
(CVE-2014-3476)

Jamie Lennox discovered that OpenStack Keystone did not properly
validate the project id. A remote authenticated attacker may be able
to use this to access other projects. (CVE-2014-3520)

Brant Knudson and Lance Bragstad discovered that OpenStack Keystone
would not always revoke tokens correctly. If Keystone were configured
to use revocation events, a remote authenticated attacker could
continue to have access to resources. (CVE-2014-5251, CVE-2014-5252,
CVE-2014-5253).

Solution :

Update the affected python-keystone package.

Risk factor :

Medium / CVSS Base Score : 6.0
(CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 77324 ()

Bugtraq ID:

CVE ID: CVE-2014-3476
CVE-2014-3520
CVE-2014-5251
CVE-2014-5252
CVE-2014-5253