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CVE-2019-9735

Disclosure Date: March 13, 2019
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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.)

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CVSS V3 Severity and Metrics
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General Information

Vendors

  • debian,
  • openstack,
  • redhat

Products

  • debian linux 9.0,
  • neutron,
  • openstack 10,
  • openstack 13,
  • openstack 14
Technical Analysis