Detections
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EulerOS Virtualization 2.9.1 : libxml2 (EulerOS-SA-2021-2185)

medium Nessus Plugin ID 151534

Synopsis

The remote EulerOS Virtualization host is missing multiple security updates.

Description

According to the versions of the libxml2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

 - A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference.
 If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.(CVE-2021-3537)

 - ** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.(CVE-2021-3541)

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 libxml2 packages.

See Also

http://www.nessus.org/u?4b06b1c5

Plugin Details

Severity: Medium

ID: 151534

File Name: EulerOS_SA-2021-2185.nasl

Version: 1.4

Type: local

Published: 7/13/2021

Updated: 12/8/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.6

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

CVSS Score Source: CVE-2021-3537

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 6

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

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

CVSS Score Source: CVE-2021-3541

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:python3-libxml2, cpe:/o:huawei:euleros:uvp:2.9.1, p-cpe:/a:huawei:euleros:libxml2

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/12/2021

Reference Information

CVE: CVE-2021-3537, CVE-2021-3541