RHEL 8 : frr (RHSA-2023:5196)

high Nessus Plugin ID 181535

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Synopsis

The remote Red Hat host is missing a security update for frr.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2023:5196 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):

* frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router (CVE-2023-38802)

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.

Bug Fix(es):

* BFD crash in FRR running in MetalLB (BZ#2231831)

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 frr package based on the guidance in RHSA-2023:5196.

Plugin Details

Severity: High

ID: 181535

File Name: redhat-RHSA-2023-5196.nasl

Version: 1.6

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/18/2023

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: 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-2023-38802

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: p-cpe:/a:redhat:enterprise_linux:frr, cpe:/o:redhat:rhel_tus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_aus:8.4

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: 9/18/2023

Vulnerability Publication Date: 8/29/2023

Reference Information

CVE: CVE-2023-38802

CWE: 20

RHSA: 2023:5196

Detections

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