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CVE-2019-9735

Status Candidate

Overview

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.)

Related Files

Ubuntu Security Notice USN-4036-1
Posted Jun 25, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4036-1 - Erik Olof Gunnar Andersson discovered that OpenStack Neutron incorrectly handled certain security group rules in the iptables firewall module. An authenticated attacker could possibly use this issue to block further application of security group rules for other instances.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2019-9735
SHA-256 | e4e59fbad634306202b9b1275923fc716c0b615791f01c6e7aa73e2b89177a0b
Red Hat Security Advisory 2019-0879-01
Posted May 2, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0879-01 - OpenStack Networking is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines. Issues addressed include an incorrect validation of port settings.

tags | advisory
systems | linux, redhat
advisories | CVE-2019-10876, CVE-2019-9735
SHA-256 | 8de82a9faffc4194551255bddd71ccc7e74b7741ac5a862470b17887bb4e62a1
Red Hat Security Advisory 2019-0935-01
Posted May 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0935-01 - OpenStack Networking is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines. Issues addressed include an incorrect validation of port settings.

tags | advisory
systems | linux, redhat
advisories | CVE-2019-10876, CVE-2019-9735
SHA-256 | 5aa4b505cc22226efc52429ece3e58253547fe929d4c14efc7848afbe66cac7b
Red Hat Security Advisory 2019-0916-01
Posted May 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0916-01 - OpenStack Networking is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines. Issues addressed include an invalid port setting validation.

tags | advisory
systems | linux, redhat
advisories | CVE-2019-9735
SHA-256 | 83d7a9bf73dee2a928a714298a2a1520b11b9dde5a517e98fd6ffb2fc31caefd
Debian Security Advisory 4409-1
Posted Mar 19, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4409-1 - Erik Olof Gunnar Andersson discovered that incorrect validation of port settings in the iptables security group driver of Neutron, the OpenStack virtual network service, could result in denial of service in a multi tenant setup.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2019-9735
SHA-256 | 368cd395f5b140bbcb545c37df7d256407e2b6dea2573867aa6fc9a29c5f6cc9
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