CVE-2023-5366
Openvswitch don't match packets on nd_target field
At a glance
- Severity
- HIGH 7.1
- EPSS
- EPSS 0.42 % · percentile 36 (2026-10-28)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
Description
A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may allow a local attacker to create specially crafted packets with a modified or spoofed target IP address field that can redirect ICMPv6 traffic to arbitrary IP addresses.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H | redhat |
| CVSS 3.1 | HIGH 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H | NVD · secalert@redhat.com (Secondary) |
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2023-57682
- GCVE · GCVE-0-2023-5366
Affected configurations (NVD CPE)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*< 2023-02-28cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*cpe:2.3:a:redhat:fast_datapath:-:*:*:*:*:*:*:*
Affected products
References
- https://access.redhat.com/security/cve/CVE-2023-5366
- https://bugzilla.redhat.com/show_bug.cgi?id=2006347
- http://www.openwall.com/lists/oss-security/2024/02/08/4
- https://lists.debian.org/debian-lts-announce/2024/02/msg00004.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |