MEDIUM 5.9
GHSA-hvxr-2fvv-c3wq
OpenStack Neutron Race Condition vulnerability
상세
A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources.
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참고
- https://nvd.nist.gov/vuln/detail/CVE-2017-7543 [ADVISORY]
- https://access.redhat.com/errata/RHSA-2017:2447 [WEB]
- https://access.redhat.com/errata/RHSA-2017:2448 [WEB]
- https://access.redhat.com/errata/RHSA-2017:2449 [WEB]
- https://access.redhat.com/errata/RHSA-2017:2450 [WEB]
- https://access.redhat.com/errata/RHSA-2017:2451 [WEB]
- https://access.redhat.com/errata/RHSA-2017:2452 [WEB]
- https://access.redhat.com/security/cve/CVE-2017-7543 [WEB]
- https://bugzilla.redhat.com/show_bug.cgi?id=1473792 [WEB]
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543 [WEB]
- https://opendev.org/openstack/neutron [PACKAGE]
- https://web.archive.org/web/20200227153412/https://www.securityfocus.com/bid/100237 [WEB]