A flaw was found in OpenStack Keystone. A remote attacker could exploit this vulnerability by sending a large HTTP request, specifically by providing a long tenant name when requesting a token. This could lead to a denial of service, consuming excessive CPU and memory resources on the affected system.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 5
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Openstack Keystone
cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
|
2012.1
|
<= 2012.1.3
|
|
Openstack Keystone
cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
|
2012.2
|
<= 2012.2.4
|
|
Openstack Keystone
cpe:2.3:a:openstack:keystone:2013.1:milestone1:*:*:*:*:*:*
|
— | — |
|
Openstack Keystone
cpe:2.3:a:openstack:keystone:2013.1:milestone2:*:*:*:*:*:*
|
— | — |
|
Openstack Keystone
cpe:2.3:a:openstack:keystone:2013.1:milestone3:*:*:*:*:*:*
|
— | — |
References 7
http://rhn.redhat.com/errata/RHSA-2013-0708.html
secalert@redhat.com
https://access.redhat.com/security/cve/CVE-2013-0270
secalert@redhat.com
https://bugs.launchpad.net/keystone/+bug/1099025
secalert@redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=909012
secalert@redhat.com
https://github.com/openstack/keystone/commit/7691276b869a86c2b75631d5bede9f61e0…
secalert@redhat.com
https://github.com/openstack/keystone/commit/82c87e5638ebaf9f166a9b07a015529127…
secalert@redhat.com
https://launchpad.net/keystone/grizzly/2013.1
secalert@redhat.com