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EulerOS 2.0 SP9 : selinux-policy (EulerOS-SA-2022-2012)

medium Nessus Plugin ID 162896

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the selinux-policy packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 - An issue was discovered in the selinux-policy (aka Reference Policy) package 3.14 through 2020-08-24 because the .config/Yubico directory is mishandled. Consequently, when SELinux is in enforced mode, pam-u2f is not allowed to read the user's U2F configuration file. If configured with the nouserok option (the default when configured by the authselect tool), and that file cannot be read, the second factor is disabled. An attacker with only the knowledge of the password can then log in, bypassing 2FA.
 (CVE-2020-24612)

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 selinux-policy packages.

See Also

http://www.nessus.org/u?8bbe482d

Plugin Details

Severity: Medium

ID: 162896

File Name: EulerOS_SA-2022-2012.nasl

Version: 1.2

Type: local

Published: 7/8/2022

Updated: 7/8/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

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

CVSS Score Source: CVE-2020-24612

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

Vector: CVSS:3.0/AV:L/AC:H/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:selinux-policy, p-cpe:/a:huawei:euleros:selinux-policy-minimum, p-cpe:/a:huawei:euleros:selinux-policy-mls, p-cpe:/a:huawei:euleros:selinux-policy-sandbox, p-cpe:/a:huawei:euleros:selinux-policy-targeted, cpe:/o:huawei:euleros:2.0

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

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 7/8/2022

Vulnerability Publication Date: 8/24/2020

Reference Information

CVE: CVE-2020-24612