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Ubuntu 18.04 LTS : systemd vulnerability (USN-5583-1)

critical Nessus Plugin ID 164486

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5583-1 advisory.

 It was discovered that systemd incorrectly handled certain DNS requests,

 which leads to user-after-free vulnerability. An attacker could possibly use

 this issue to cause a crash or execute arbitrary code. (CVE-2022-2526)

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 packages.

See Also

https://ubuntu.com/security/notices/USN-5583-1

Plugin Details

Severity: Critical

ID: 164486

File Name: ubuntu_USN-5583-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 8/29/2022

Updated: 8/28/2024

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: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2022-2526

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libnss-resolve, p-cpe:/a:canonical:ubuntu_linux:libsystemd0, p-cpe:/a:canonical:ubuntu_linux:libnss-myhostname, p-cpe:/a:canonical:ubuntu_linux:systemd-coredump, p-cpe:/a:canonical:ubuntu_linux:udev, p-cpe:/a:canonical:ubuntu_linux:libsystemd-dev, p-cpe:/a:canonical:ubuntu_linux:libudev1, p-cpe:/a:canonical:ubuntu_linux:systemd-tests, p-cpe:/a:canonical:ubuntu_linux:libudev-dev, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:systemd-journal-remote, p-cpe:/a:canonical:ubuntu_linux:systemd-sysv, p-cpe:/a:canonical:ubuntu_linux:libnss-mymachines, p-cpe:/a:canonical:ubuntu_linux:libnss-systemd, p-cpe:/a:canonical:ubuntu_linux:libpam-systemd, p-cpe:/a:canonical:ubuntu_linux:systemd-container, p-cpe:/a:canonical:ubuntu_linux:systemd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/29/2022

Vulnerability Publication Date: 8/24/2022

Reference Information

CVE: CVE-2022-2526

USN: 5583-1