RHEL 8 : systemd (RHSA-2020:1794)

high Nessus Plugin ID 136046

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/CVE-2019-3843

https://access.redhat.com/security/cve/CVE-2019-3844

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

https://bugzilla.redhat.com/1684607

https://bugzilla.redhat.com/1684610

Plugin Details

Severity: High

ID: 136046

File Name: redhat-RHSA-2020-1794.nasl

Version: 1.8

Type: local

Agent: unix

Published: 4/28/2020

Updated: 5/25/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.2, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.2, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.2, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.2, cpe:/o:redhat:rhel_tus:8.4, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:systemd, p-cpe:/a:redhat:enterprise_linux:systemd-container, p-cpe:/a:redhat:enterprise_linux:systemd-devel, p-cpe:/a:redhat:enterprise_linux:systemd-journal-remote, p-cpe:/a:redhat:enterprise_linux:systemd-libs, p-cpe:/a:redhat:enterprise_linux:systemd-pam, p-cpe:/a:redhat:enterprise_linux:systemd-tests, p-cpe:/a:redhat:enterprise_linux:systemd-udev

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/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: 108116, 108096

CWE: 266, 268

RHSA: 2020:1794