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December 2024

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[OSSA-2024-005] Neutron: Authorization bypassed when setting tags on Neutron networks (CVE-2024-53916)
by Jay Faulkner 04 Dec '24

04 Dec '24

=========================================================================== OSSA-2024-005: Authorization bypassed when setting tags on Neutron networks =========================================================================== :Date: December 03, 2024 :CVE: CVE-2024-53916 Affects ~~~~~~~ - Neutron: >=23.0.0 <23.2.1, >=24.0.0 <24.0.2, >=25.0.0 <25.0.1 Description ~~~~~~~~~~~ Tore Anderson of Redpill Linpro AS discovered that Neutron does not apply the proper policy check for changing network tags. An unprivileged tenant is able to change (add and clear) tags on network objects which do not belong to the tenant, and this action is not being subjected to the proper policy authorization check. Patches ~~~~~~~ -https://review.opendev.org/c/openstack/neutron/+/936849 (2023.2/bobcat) -https://review.opendev.org/c/openstack/neutron/+/936846 (2024.1/caracal) -https://review.opendev.org/c/openstack/neutron/+/936843 (2024.2/dalmatian) -https://review.opendev.org/c/openstack/neutron/+/935883 (2025.1/epoxy) Credits ~~~~~~~ - Tore Anderson from Redpill Linpro AS (C, V, E, -, 2, 0, 2, 4, -, 5, 3, 9, 1, 6) References ~~~~~~~~~~ -https://launchpad.net/bugs/2088986 -http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53916 -- Jay Faulkner OpenStack VMT

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