Detections
Analytics

CentOS 8 : systemd (CESA-2020:1794)

high Nessus Plugin ID 145995

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Synopsis

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

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:1794 advisory.

 - systemd: services with DynamicUser can create SUID/SGID binaries (CVE-2019-3843)

 - systemd: services with DynamicUser can get new privileges and create SGID binaries (CVE-2019-3844)

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://access.redhat.com/errata/RHSA-2020:1794

Plugin Details

Severity: High

ID: 145995

File Name: centos8_RHSA-2020-1794.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/1/2021

Updated: 3/23/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2019-3844

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:centos:centos:systemd-container, p-cpe:/a:centos:centos:systemd-journal-remote, p-cpe:/a:centos:centos:systemd-devel, p-cpe:/a:centos:centos:systemd-pam, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:systemd-libs, p-cpe:/a:centos:centos:systemd-udev, p-cpe:/a:centos:centos:systemd-tests, p-cpe:/a:centos:centos:systemd

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/28/2020

Vulnerability Publication Date: 4/25/2019

Reference Information

CVE: CVE-2019-3843, CVE-2019-3844

BID: 108096, 108116

RHSA: 2020:1794