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Ubuntu 18.04 LTS : Debian-LAN vulnerabilities (USN-4530-1)

high Nessus Plugin ID 140751

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4530-1 advisory.

 Wolfgang Schweer discovered that Debian-LAN did not properly handle ACLs for the Kerberos admin server. A local attacker could possibly use this issue to change the passwords of other users, leading to root privilege escalation. (CVE-2019-3467)

Tenable has extracted the preceding description block directly from the Ubuntu 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 affected debian-lan-config package.

See Also

https://ubuntu.com/security/notices/USN-4530-1

Plugin Details

Severity: High

ID: 140751

File Name: ubuntu_USN-4530-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 9/23/2020

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: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2019-3467

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:debian-lan-config, cpe:/o:canonical:ubuntu_linux:18.04:-:lts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/22/2020

Vulnerability Publication Date: 12/23/2019

Reference Information

CVE: CVE-2019-3467

USN: 4530-1