CVE-2016-5363

Description

The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2) crafted non-IP traffic.

References

Link	Tags
https://access.redhat.com/errata/RHSA-2016:1473	vendor advisory
https://review.openstack.org/#/c/299025/
http://www.openwall.com/lists/oss-security/2016/06/10/5	mailing list
http://www.openwall.com/lists/oss-security/2016/06/10/6	mailing list
https://security.openstack.org/ossa/OSSA-2016-009.html	vendor advisory
https://bugs.launchpad.net/neutron/+bug/1558658
https://access.redhat.com/errata/RHSA-2016:1474	vendor advisory
https://review.openstack.org/#/c/299021/
https://review.openstack.org/#/c/299023/

Frequently Asked Questions

What is the severity of CVE-2016-5363?: CVE-2016-5363 has been scored as a high severity vulnerability.
How to fix CVE-2016-5363?: To fix CVE-2016-5363, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-5363 being actively exploited in the wild?: It is possible that CVE-2016-5363 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-254 – 7PK - Security Features

References

Frequently Asked Questions