CVE-2016-5362

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 DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.

Category

8.2
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.45% Top 25%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory openstack.org Vendor Advisory openstack.org Vendor Advisory openstack.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2016:1473 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/06/10/5 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2016/06/10/6 third party advisory mailing list
https://security.openstack.org/ossa/OSSA-2016-009.html vendor advisory
https://bugs.launchpad.net/neutron/+bug/1558658 third party advisory
https://review.openstack.org/#/c/303572/ third party advisory
https://review.openstack.org/#/c/300202/ vendor advisory
https://access.redhat.com/errata/RHSA-2016:1474 third party advisory vendor advisory
https://review.openstack.org/#/c/303563/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-5362?
CVE-2016-5362 has been scored as a high severity vulnerability.
How to fix CVE-2016-5362?
To fix CVE-2016-5362, 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-2016-5362 being actively exploited in the wild?
It is possible that CVE-2016-5362 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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