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CVE-2023-5366

Date: October 6, 2023

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.

Language: C

Severity Score

Related Resources (8)

https://bugzilla.redhat.com/show_bug.cgi?id=2006347
https://access.redhat.com/security/cve/CVE-2023-5366
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
https://lists.debian.org/debian-lts-announce/2024/02/msg00004.html
http://www.openwall.com/lists/oss-security/2024/02/08/4
https://nvd.nist.gov/vuln/detail/CVE-2023-5366
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
https://www.mend.io/vulnerability-database/CVE-2023-5366

Severity Score

Weakness Type (CWE)

Insufficient Verification of Data Authenticity

CWE-345

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): HIGH

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