Vulnerability CVE-2019-9735


Published: 2019-03-12   Modified: 2019-03-13

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 driver are affected.)

Type:

CWE-254

(Security Features)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Openstack 
Openstack -> Neutron 
Debian -> Debian linux 

 References:
http://www.openwall.com/lists/oss-security/2019/03/18/2
http://www.securityfocus.com/bid/107390
https://access.redhat.com/errata/RHSA-2019:0879
https://access.redhat.com/errata/RHSA-2019:0916
https://access.redhat.com/errata/RHSA-2019:0935
https://launchpad.net/bugs/1818385
https://seclists.org/bugtraq/2019/Mar/24
https://security.openstack.org/ossa/OSSA-2019-001.html
https://usn.ubuntu.com/4036-1/
https://www.debian.org/security/2019/dsa-4409

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