Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU83434
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-5366
CWE-ID:
CWE-345 - Insufficient Verification of Data Authenticity
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to missing verification of data authenticity when handling ICMPv6 Neighbor Advertisement packets between virtual machines. A local user can bypass OpenFlow rules and send otherwise restricted packets.
Update the affected package openvswitch to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Micro: 5.3 - 6.0
SUSE Package Hub 15: 15-SP4 - 15-SP5
Legacy Module: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP5
SUSE Linux Enterprise Server 15: SP4 - SP5
SUSE Linux Enterprise Real Time 15: SP4 - SP5
SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5
SUSE Linux Enterprise Desktop 15: SP4 - SP5
Server Applications Module: 15-SP4
openSUSE Leap: 15.4 - 15.5
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
openvswitch-doc: before 2.14.2-150400.24.17.1
ovn-doc: before 20.06.2-150400.24.17.1
libopenvswitch-2_14-0: before 2.14.2-150400.24.17.1
openvswitch-debugsource: before 2.14.2-150400.24.17.1
ovn-host-debuginfo: before 20.06.2-150400.24.17.1
openvswitch-vtep: before 2.14.2-150400.24.17.1
openvswitch-ipsec: before 2.14.2-150400.24.17.1
openvswitch: before 2.14.2-150400.24.17.1
ovn: before 20.06.2-150400.24.17.1
openvswitch-pki: before 2.14.2-150400.24.17.1
libopenvswitch-2_14-0-debuginfo: before 2.14.2-150400.24.17.1
ovn-docker: before 20.06.2-150400.24.17.1
openvswitch-test-debuginfo: before 2.14.2-150400.24.17.1
openvswitch-test: before 2.14.2-150400.24.17.1
python3-ovs: before 2.14.2-150400.24.17.1
openvswitch-devel: before 2.14.2-150400.24.17.1
libovn-20_06-0: before 20.06.2-150400.24.17.1
ovn-host: before 20.06.2-150400.24.17.1
ovn-debuginfo: before 20.06.2-150400.24.17.1
libovn-20_06-0-debuginfo: before 20.06.2-150400.24.17.1
ovn-devel: before 20.06.2-150400.24.17.1
ovn-central: before 20.06.2-150400.24.17.1
ovn-central-debuginfo: before 20.06.2-150400.24.17.1
ovn-vtep-debuginfo: before 20.06.2-150400.24.17.1
ovn-vtep: before 20.06.2-150400.24.17.1
openvswitch-vtep-debuginfo: before 2.14.2-150400.24.17.1
openvswitch-debuginfo: before 2.14.2-150400.24.17.1
External linkshttp://www.suse.com/support/update/announcement/2023/suse-su-20234661-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.