RHEL 9 : frr (RHSA-2024:0477)

critical Nessus Plugin ID 189576

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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-2024:0477 advisory.

FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.

Security Fix(es):

* ffr: Flowspec overflow in bgpd/bgp_flowspec.c (CVE-2023-38406)

* ffr: Out of bounds read in bgpd/bgp_label.c (CVE-2023-38407)

* frr: crash from specially crafted MP_UNREACH_NLRI-containing BGP UPDATE message (CVE-2023-47234)

* frr: crash from malformed EOR-containing BGP UPDATE message (CVE-2023-47235)

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 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-2024:0477.

Plugin Details

Severity: Critical

ID: 189576

File Name: redhat-RHSA-2024-0477.nasl

Version: 1.2

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 1/25/2024

Updated: 6/3/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-38406

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

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

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: 1/25/2024

Vulnerability Publication Date: 11/3/2023

Reference Information

CVE: CVE-2023-38406, CVE-2023-38407, CVE-2023-47234, CVE-2023-47235

CWE: 119, 125, 400

RHSA: 2024:0477

Detections

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