Vulnerability Details : CVE-2016-5362
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.
Vulnerability category: Denial of service
Products affected by CVE-2016-5362
- cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-5362
8.70%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-5362
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
8.2
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
3.9
|
4.2
|
NIST |
CWE ids for CVE-2016-5362
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-5362
-
https://review.openstack.org/#/c/303572/
Change Ibc2b0fa8: Iptables firewall prevent IP spoofed DHCP requests | review.opendev Code ReviewThird Party Advisory
-
https://review.openstack.org/#/c/300202/
review.opendev Code ReviewVendor Advisory
-
http://www.openwall.com/lists/oss-security/2016/06/10/5
oss-security - CVE request for vulnerability in OpenStack NeutronMailing List;Third Party Advisory
-
https://security.openstack.org/ossa/OSSA-2016-009.html
OpenStack Docs: OSSA-2016-009: Neutron IPTables firewall anti-spoof protection bypassVendor Advisory
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https://review.openstack.org/#/c/303563/
Change Ibc2b0fa8: Iptables firewall prevent IP spoofed DHCP requests | review.opendev Code ReviewVendor Advisory
-
https://access.redhat.com/errata/RHSA-2016:1474
RHSA-2016:1474 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://access.redhat.com/errata/RHSA-2016:1473
RHSA-2016:1473 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/06/10/6
oss-security - Re: CVE request for vulnerability in OpenStack NeutronMailing List;Third Party Advisory
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https://bugs.launchpad.net/neutron/+bug/1558658
Bug #1558658 “[OSSA-2016-009] Security Groups do not prevent MAC...” : Bugs : neutronThird Party Advisory
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