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EulerOS Virtualization 2.9.1 : systemd (EulerOS-SA-2021-1724)

medium Nessus Plugin ID 148605

Synopsis

The remote EulerOS Virtualization host is missing a security update.

Description

According to the version of the systemd packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

 - A flaw was found in systemd, where it mishandles numerical usernames beginning with decimal digits, or '0x' followed by hexadecimal digits. When the usernames are used by systemd, for example in service units, an unexpected user may be used instead. In some particular configurations, this flaw allows local attackers to elevate their privileges.(CVE-2020-13776)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected systemd package.

See Also

http://www.nessus.org/u?430ac2d8

Plugin Details

Severity: Medium

ID: 148605

File Name: EulerOS_SA-2021-1724.nasl

Version: 1.5

Type: local

Published: 4/15/2021

Updated: 1/4/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2020-13776

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/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:huawei:euleros:systemd-udev, p-cpe:/a:huawei:euleros:systemd-container, p-cpe:/a:huawei:euleros:systemd-udev-compat, p-cpe:/a:huawei:euleros:systemd, cpe:/o:huawei:euleros:uvp:2.9.1, p-cpe:/a:huawei:euleros:systemd-libs

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/12/2021

Reference Information

CVE: CVE-2020-13776