Denial of service in Open vSwitch
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-3966 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Open vSwitch Hardware solutions / Firmware |
| Vendor | openvswitch.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU86295
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-3966
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when handling Geneve packets. A remote attacker can send specially crafted Geneve packets with HF offload to the system, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
Install updates from vendor's website.
Vulnerable software versionsOpen vSwitch: 2.12.0 - 3.2.1
External linkshttp://mail.openvswitch.org/pipermail/ovs-announce/2024-February/000339.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
