Fedora 40 : tacacs (2023-a219299297)

critical Nessus Plugin ID 194589

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Synopsis

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

Description

The remote Fedora 40 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-a219299297 advisory.

- A lack of input validation exists in tac_plus prior to commit 4fdf178 which, when pre or post auth commands are enabled, allows an attacker who can control the username, rem-addr, or NAC address sent to tac_plus to inject shell commands and gain remote code execution on the tac_plus server. (CVE-2023-45239)

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 affected tacacs package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2023-a219299297

Plugin Details

Severity: Critical

ID: 194589

File Name: fedora_2023-a219299297.nasl

Version: 1.0

Type: local

Agent: unix

Published: 4/29/2024

Updated: 4/29/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2023-45239

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:40, p-cpe:/a:fedoraproject:fedora:tacacs

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/5/2023

Vulnerability Publication Date: 10/6/2023

Reference Information

CVE: CVE-2023-45239