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Ubuntu 22.04 LTS / 23.04 / 23.10 : FRR vulnerabilities (USN-6481-1)

medium Nessus Plugin ID 185780

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6481-1 advisory.

 It was discovered that FRR incorrectly handled certain malformed NLRI data. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-46752)

 It was discovered that FRR incorrectly handled certain BGP UPDATE messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-46753)

Tenable has extracted the preceding description block directly from the Ubuntu 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 affected packages.

See Also

https://ubuntu.com/security/notices/USN-6481-1

Plugin Details

Severity: Medium

ID: 185780

File Name: ubuntu_USN-6481-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/15/2023

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2023-46753

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:23.10, p-cpe:/a:canonical:ubuntu_linux:frr-snmp, p-cpe:/a:canonical:ubuntu_linux:frr-rpki-rtrlib, cpe:/o:canonical:ubuntu_linux:23.04, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:frr-pythontools, p-cpe:/a:canonical:ubuntu_linux:frr

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 11/15/2023

Vulnerability Publication Date: 10/26/2023

Reference Information

CVE: CVE-2023-46752, CVE-2023-46753

USN: 6481-1