[openstack-announce] [OSSA-2019-002] Unable to install new flows on compute nodes when having broken security group rules (CVE-2019-10876)

Gage Hugo gagehugo at gmail.com
Tue Apr 9 15:50:05 UTC 2019


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

===========================================================================================
OSSA-2019-002: Overlapping security group rules prevents compute node
network configuration
===========================================================================================

:Date: April 08, 2019
:CVE: CVE-2019-10876


Affects
~~~~~~~
- - Neutron: >=11.0.0 <11.0.7, >=12.0.0 <12.0.6, >=13.0.0 <13.0.3


Description
~~~~~~~~~~~
Diko Parvanov (Canonical) reported a vulnerability in neutron-
openvswitch-agent security group rules. By creating two security
groups with separate/overlapping port ranges, an authenticated user
may prevent neutron from being able to configure networks on any
compute nodes where those security groups are present. All neutron
deployments utilizing neutron-openvswitch-agent are affected.


Patches
~~~~~~~
- - https://review.openstack.org/648102 (Pike)
- - https://review.openstack.org/648004 (Queens)
- - https://review.openstack.org/648003 (Rocky)
- - https://review.openstack.org/648002 (Stein)
- - https://review.openstack.org/640252 (Train)


Credits
~~~~~~~
- - Diko Parvanov from Canonical (CVE-2019-10876)


References
~~~~~~~~~~
- - https://launchpad.net/bugs/1813007
- - http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10876
-----BEGIN PGP SIGNATURE-----
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=53iD
-----END PGP SIGNATURE-----
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-announce/attachments/20190409/5738c1fc/attachment.html>


More information about the OpenStack-announce mailing list