Medium severity · published Oct 6, 2023
CVE-2023-5366
A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules
5.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
7.0 · source: NVD
FD
Fast Datapath · Redhat
All versions, or not specified · source: NVD
OC
Openshift Container Platform · Redhat
4.0 · source: NVD
OP
Openvswitch · Openvswitch
before 2023-02-28 · source: NVD
VI
Virtualization · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5366
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5366
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/02/08/4
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-5366
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2006347
lists.debian.org
https://lists.debian.org/debian-lts-announce/2024/02/msg00004.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
More from Openvswitch
9.8
CVE-2022-4338
An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch
9.8
CVE-2022-4337
An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch
9.8
CVE-2017-9265
In Open vSwitch (OvS) v2.7.0, there is a buffer over-read while parsing the group mod OpenFlow message sent from the controller in `lib/ofp-util.c` in the function…
9.8
CVE-2017-9264
In lib/conntrack.c in the firewall implementation in Open vSwitch (OvS) 2.6.1, there is a buffer over-read while parsing malformed TCP, UDP, and IPv6 packets in the functions…
9.8
CVE-2017-9214
In Open vSwitch (OvS) 2.7.0, while parsing an OFPT_QUEUE_GET_CONFIG_REPLY type OFP 1.0 message, there is a buffer over-read that is caused by an unsigned integer underflow in the…