CVE-2016-5362
First published: Mon Jun 13 2016(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenStack Neutron | >=7.0.0<7.0.4 | |
| OpenStack Neutron | >=8.0.0<=8.1.0 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2016/06/10/5
- http://www.openwall.com/lists/oss-security/2016/06/10/6
- https://access.redhat.com/errata/RHSA-2016:1473
- https://access.redhat.com/errata/RHSA-2016:1474
- https://bugs.launchpad.net/neutron/+bug/1558658
- https://review.openstack.org/#/c/300202/
- https://review.openstack.org/#/c/303563/
- https://review.openstack.org/#/c/303572/
- https://security.openstack.org/ossa/OSSA-2016-009.html
- https://bugs.launchpad.net/bugs/1558658
- http://seclists.org/oss-sec/2016/q2/519
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1349669
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1349670
- https://bugzilla.redhat.com/show_bug.cgi?id=1345889
Frequently Asked Questions
What is the severity of CVE-2016-5362?
CVE-2016-5362 has a severity rating that indicates a medium risk of remote denial of service attacks and network traffic interception.
How do I fix CVE-2016-5362?
To fix CVE-2016-5362, upgrade OpenStack Neutron to version 7.0.4 or 8.1.0 and above to mitigate the vulnerability.
What systems are affected by CVE-2016-5362?
CVE-2016-5362 affects OpenStack Neutron versions before 7.0.4 and from 8.0.0 to 8.1.0.
What can attackers achieve by exploiting CVE-2016-5362?
Attackers exploiting CVE-2016-5362 can bypass DHCP-spoofing protections, allowing them to intercept network traffic or cause denial of service.
Is CVE-2016-5362 a local or remote vulnerability?
CVE-2016-5362 is classified as a remote vulnerability, allowing external attackers to exploit it without physical access.
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