EulerOS Virtualization 2.10.1 : kexec-tools (EulerOS-SA-2022-2933)

medium Nessus Plugin ID 169366

Synopsis

The remote EulerOS Virtualization host is missing a security update.

Description

According to the versions of the kexec-tools package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

- A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47. (CVE-2021-20269)

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 kexec-tools packages.

See Also

http://www.nessus.org/u?837c1e3d

Plugin Details

Severity: Medium

ID: 169366

File Name: EulerOS_SA-2022-2933.nasl

Version: 1.0

Type: local

Published: 12/28/2022

Updated: 12/28/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2021-20269

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:kexec-tools, cpe:/o:huawei:euleros:uvp:2.10.1

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: 12/28/2022

Vulnerability Publication Date: 11/9/2021

Reference Information

CVE: CVE-2021-20269