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Ubuntu 16.04 ESM / 18.04 ESM : OpenSSH vulnerabilities (USN-6560-2)

critical Nessus Plugin ID 187955

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6560-2 advisory.

 USN-6560-1 fixed several vulnerabilities in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.



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-6560-2

Plugin Details

Severity: Critical

ID: 187955

File Name: ubuntu_USN-6560-2.nasl

Version: 1.4

Type: local

Agent: unix

Published: 1/11/2024

Updated: 10/29/2024

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: 6.1

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2023-51385

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2023-48795

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:ssh-krb5, p-cpe:/a:canonical:ubuntu_linux:openssh-client-ssh1, p-cpe:/a:canonical:ubuntu_linux:openssh-client, p-cpe:/a:canonical:ubuntu_linux:ssh, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:openssh-server, p-cpe:/a:canonical:ubuntu_linux:ssh-askpass-gnome, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:openssh-sftp-server

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/11/2024

Vulnerability Publication Date: 12/18/2023

Reference Information

CVE: CVE-2023-48795, CVE-2023-51385

IAVA: 2023-A-0701-S, 2023-A-0703

USN: 6560-2