Severity
6.5MEDIUM
EPSS
1.9%
top 16.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 13
Latest updateMay 13

Description

An issue was discovered in the iptables firewall module in OpenStack Neutron before 10.0.8, 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By setting a destination port in a security group rule along with a protocol that doesn't support that option (for example, VRRP), an authenticated user may block further application of security group rules for instances from any project/tenant on the compute hosts to which it's applied. (Only deployments using the iptables security group dri

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages4 packages

NVDopenstack/neutron11.0.011.0.7+3
PyPIneutron11.0.011.0.7+3
Debianneutron< 2:13.0.2-13+3
NVDredhat/openstack10, 13, 14+2

Also affects: Debian Linux 9.0

Patches

🔴Vulnerability Details

4
GHSA
OpenStack Neutron's unsupported dport option prevents applying security groups2022-05-13
OSV
OpenStack Neutron's unsupported dport option prevents applying security groups2022-05-13
CVEList
CVE-2019-9735: An issue was discovered in the iptables firewall module in OpenStack Neutron before 102019-03-13
OSV
CVE-2019-9735: An issue was discovered in the iptables firewall module in OpenStack Neutron before 102019-03-13

📋Vendor Advisories

3
Ubuntu
OpenStack Neutron vulnerability2019-06-25
Red Hat
openstack-neutron: incorrect validation of port settings in iptables security group driver2019-03-03
Debian
CVE-2019-9735: neutron - An issue was discovered in the iptables firewall module in OpenStack Neutron bef...2019

💬Community

3
Bugzilla
CVE-2019-9735 openstack-neutron: incorrect validation of port settings in iptables security group driver [openstack-rdo]2019-03-20
Bugzilla
CVE-2019-9735 openstack-neutron: incorrect validation of port settings in iptables security group driver2019-03-20
Bugzilla
CVE-2019-9735 openstack-neutron: incorrect validation of port settings in iptables security group driver (OSSA-2019-001) [openstack-10]2019-03-19
CVE-2019-9735 (MEDIUM CVSS 6.5) | An issue was discovered in the ipta | cvebase.io