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EulerOS 2.0 SP2 : libvncserver (EulerOS-SA-2020-1683)

critical Nessus Plugin ID 137525

Synopsis

The remote EulerOS host is missing a security update.

Description

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

 - libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value.
 NOTE: this may overlap CVE-2019-15690.(CVE-2019-20788)

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 libvncserver package.

See Also

http://www.nessus.org/u?55c8edd6

Plugin Details

Severity: Critical

ID: 137525

File Name: EulerOS_SA-2020-1683.nasl

Version: 1.6

Type: local

Published: 6/17/2020

Updated: 3/6/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2019-20788

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:libvncserver, cpe:/o:huawei:euleros:2.0

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

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/16/2020

Reference Information

CVE: CVE-2019-20788

IAVA: 2020-A-0381