CVE-2015-3221 OpenStack Neutron Improper Input Validation vulnerability
Authenticated users can crash the L2 agent by adding invalid address pairs when using the IPTables firewall driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-3221?
CVE-2015-3221 is a medium-severity denial of service vulnerability in n/a, published on 26 Aug 2015. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenStack Neutron before 2014.2.4 (juno) and 2015.1.x before 2015.1.1 (kilo), when using the IPTables firewall driver, allows remote authenticated users to cause a denial of service (L2 agent crash) by adding an address pair that is rejected by the ipset tool.
Weakness: CWE-20
Which versions are affected by CVE-2015-3221?
5 open source packages ship an affected version, including neutron. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
neutron PyPI | All versions | 2014.2.4, 2015.1.1 |
neutron PyPI | From 2000 | 2014.2.4 |
neutron PyPI | From 2000 | 2014.2.4 |
neutron PyPI | From 2015.1.0 | 2015.1.1 |
neutron PyPI | From 2015.1.0 | 2015.1.1 |
Linux distribution packages (26)
openstack-neutron Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-bigswitch Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-brocade Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-cisco Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-common Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-embrane Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-hyperv Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-ibm Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-linuxbridge Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-mellanox Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-metaplugin Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-metering-agent Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-midonet Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-ml2 Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-nec Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-nuage Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-ofagent Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-oneconvergence-nvsd Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-opencontrail Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-openvswitch Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-plumgrid Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-ryu Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-sriov-nic-agent Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-vmware Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
openstack-neutron-vpn-agent Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
python-neutron Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-9.el7ost |
Products include Openstack Neutron.
How do I fix CVE-2015-3221?
Upgrade neutron to a fixed version for your release line: 2014.2.4 or 2015.1.1.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-3221 being exploited?
There is no known exploitation of CVE-2015-3221 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
- CVE-2021-38598 OpenStack Neutron vulnerable to hardware address impersonation
- CVE-2015-8914 OpenStack Neutron allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism
- CVE-2016-5362 OpenStack Neutron allows remote attackers to bypass an intended DHCP-spoofing protection mechanism
- CVE-2016-5363 OpenStack Neutron Intended MAC-spoofing protection mechanism bypass
- CVE-2014-3632 Privilege escalation in n/a
Sources
Also known as DEBIAN-CVE-2015-3221, GHSA-wf44-4mgj-rwvx, PYSEC-2026-856, RHSA-2015:1680.