RHEL 9 : frr (RHSA-2023:6434)

high Nessus Plugin ID 185113

Synopsis

The remote Red Hat host is missing one or more security updates for frr.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:6434 advisory.

- frr: Reachable assertion in peek_for_as4_capability function (CVE-2022-36440)

- frr: denial of service by crafting a BGP OPEN message with an option of type 0xff (CVE-2022-40302)

- frr: denial of service by crafting a BGP OPEN message with an option of type in bgp_open_option_parse in the bgp_open.c 0xff (CVE-2022-40318)

- frr: out-of-bounds read exists in the BGP daemon of FRRouting (CVE-2022-43681)

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

Solution

Update the RHEL frr package based on the guidance in RHSA-2023:6434.

See Also

http://www.nessus.org/u?4d126920

http://www.nessus.org/u?619e5320

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

https://bugzilla.redhat.com/show_bug.cgi?id=2168855

https://bugzilla.redhat.com/show_bug.cgi?id=2184468

https://bugzilla.redhat.com/show_bug.cgi?id=2196088

https://bugzilla.redhat.com/show_bug.cgi?id=2196090

https://bugzilla.redhat.com/show_bug.cgi?id=2196091

https://bugzilla.redhat.com/show_bug.cgi?id=2216912

https://access.redhat.com/errata/RHSA-2023:6434

Plugin Details

Severity: High

ID: 185113

File Name: redhat-RHSA-2023-6434.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/7/2023

Updated: 4/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2022-36440

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:frr, p-cpe:/a:redhat:enterprise_linux:frr-selinux

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/7/2023

Vulnerability Publication Date: 4/3/2023

Reference Information

CVE: CVE-2022-36440, CVE-2022-40302, CVE-2022-40318, CVE-2022-43681

CWE: 125, 400, 617

RHSA: 2023:6434