Ubuntu update for ovn

1) Input validation error

EUVDB-ID: #VU87512

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-2182

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when handling BFD packets from inside unprivileged workloads. A remote user with access to a virtual machine or a container can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package ovn to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 23.10

ovn-ic (Ubuntu package): before 23.09.0-1ubuntu0.1

ovn-host (Ubuntu package): before 23.09.0-1ubuntu0.1

ovn-common (Ubuntu package): before 23.09.0-1ubuntu0.1

ovn-central (Ubuntu package): before 23.09.0-1ubuntu0.1

External links

http://ubuntu.com/security/notices/USN-6691-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.