** Information type changed from Private Security to Public
** Changed in: ossa
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/1515444
Title:
Routed ICMP v6 traffic goes through with no security group rules with
DVR
Status in neutron:
Invalid
Status in OpenStack Security Advisory:
Won't Fix
Bug description:
This issue is being treated as a potential security risk under
embargo. Please do not make any public mention of embargoed (private)
security vulnerabilities before their coordinated publication by the
OpenStack Vulnerability Management Team in the form of an official
OpenStack Security Advisory. This includes discussion of the bug or
associated fixes in public forums such as mailing lists, code review
systems and bug trackers. Please also avoid private disclosure to
other individuals not already approved for access to this information,
and provide this same reminder to those who are made aware of the
issue prior to publication. All discussion should remain confined to
this private bug report, and any proposed fixes should be added to the
bug as attachments.
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V6 traffic flows between two dual stacked instances connected via DVR
despite absence of security group rule allowing so. V4 traffic is
blocked.
Build: Master Nov. 11/11/15
Setup: One controller/Network node, Two Compute nodes.
Steps:
1. create net1 and net2.
2. create IPv4 and IPv6 subnet(slaac/slaac*) on each network.
3. create DVR.
4. Add router interface for each of four subnets to DVR.
5. Boot instance with nic on net1 and other with nic on net2.
6. Delete all security group rules if any exists.
7. Ping6 v6 IP from one instance to the other.
Expected: Traffic does not go through.
Observed: Traffic goes through.
*also observed with dhcpv6-stateful addressing.
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