Insufficient Verification of Data Authenticity Affecting ovn-host package, versions <20.06.2-150300.19.14.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-SLES153-OVNHOST-6117591
  • published12 Dec 2023
  • disclosed11 Dec 2023

Introduced: 11 Dec 2023

CVE-2023-5366  (opens in a new tab)
CWE-345  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 ovn-host to version 20.06.2-150300.19.14.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ovn-host package and not the ovn-host package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

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.

CVSS Scores

version 3.1