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RHEL 8 : ovn-2021 (RHSA-2024:4035)

medium Nessus Plugin ID 200796

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Synopsis

The remote Red Hat host is missing a security update for ovn-2021.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4035 advisory.

 OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native support for virtual network abstractions, such as virtual L2 and L3 overlays and security groups.

 Security fix(es):

 * ovn-2021: insufficient validation of BFD packets may lead to denial of service (CVE-2024-2182)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL ovn-2021 package based on the guidance in RHSA-2024:4035.

See Also

http://www.nessus.org/u?4cc50218

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2267840

https://access.redhat.com/errata/RHSA-2024:4035

Plugin Details

Severity: Medium

ID: 200796

File Name: redhat-RHSA-2024-4035.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/21/2024

Updated: 11/7/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2024-2182

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:ovn-2021-vtep, p-cpe:/a:redhat:enterprise_linux:ovn-2021-central, p-cpe:/a:redhat:enterprise_linux:ovn-2021-host, p-cpe:/a:redhat:enterprise_linux:ovn-2021, cpe:/o:redhat:enterprise_linux:8

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/20/2024

Vulnerability Publication Date: 3/12/2024

Reference Information

CVE: CVE-2024-2182

CWE: 346

RHSA: 2024:4035