EulerOS Virtualization 3.0.2.2 : ksh (EulerOS-SA-2021-2142)

high Nessus Plugin ID 151397

Synopsis

The remote EulerOS Virtualization host is missing a security update.

Description

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

- In ksh version 20120801, a flaw was found in the way it evaluates certain environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Services and applications that allow remote unauthenticated attackers to provide one of those environment variables could allow them to exploit this issue remotely.(CVE-2019-14868)

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 ksh package.

See Also

http://www.nessus.org/u?f211d817

Plugin Details

Severity: High

ID: 151397

File Name: EulerOS_SA-2021-2142.nasl

Version: 1.3

Type: local

Published: 7/6/2021

Updated: 12/11/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-14868

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:ksh, cpe:/o:huawei:euleros:uvp:3.0.2.2

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: 7/6/2021

Reference Information

CVE: CVE-2019-14868