Vulnerability CVE-2013-2030
Published: 2013-12-26   Modified: 2013-12-27

Description:
keystone/middleware/auth_token.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing certificates, which allows local users to spoof servers by pre-creating this directory, which is reused by Nova, as demonstrated using /tmp/keystone-signing-nova on Fedora.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Openstack -> Compute 
Openstack -> Folsom 
Openstack -> Grizzly 
Openstack -> Havana 

 References:
http://lists.openstack.org/pipermail/openstack-announce/2013-May/000098.html
https://bugzilla.redhat.com/show_bug.cgi?id=958285
https://bugs.launchpad.net/nova/+bug/1174608
http://www.openwall.com/lists/oss-security/2013/05/09/2
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