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Slackware Linux 15.0 / current samba Multiple Vulnerabilities (SSA:2022-351-01)

critical Nessus Plugin ID 168899

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Synopsis

The remote Slackware Linux host is missing a security update to samba.

Description

The version of samba installed on the remote host is prior to 4.15.13 / 4.17.4. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2022-351-01 advisory.

 - Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts- hmac-sha1-96). (CVE-2022-45141)

 - Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability (CVE-2022-37966)

 - Windows Kerberos Elevation of Privilege Vulnerability (CVE-2022-37967)

 - Netlogon RPC Elevation of Privilege Vulnerability (CVE-2022-38023)

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

Solution

Upgrade the affected samba package.

Plugin Details

Severity: Critical

ID: 168899

File Name: Slackware_SSA_2022-351-01.nasl

Version: 1.5

Type: local

Published: 12/17/2022

Updated: 9/15/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2022-45141

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:slackware:slackware_linux, cpe:/o:slackware:slackware_linux:15.0, p-cpe:/a:slackware:slackware_linux:samba

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 11/8/2022

Reference Information

CVE: CVE-2022-37966, CVE-2022-37967, CVE-2022-38023, CVE-2022-45141

IAVA: 2023-A-0004-S