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openSUSE Security Update : LibVNCServer (openSUSE-2019-200)

critical Nessus Plugin ID 122300

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for LibVNCServer fixes the following issues: 	 Security issues fixed :

 - CVE-2018-20749: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123828)

 - CVE-2018-20750: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123832)

 - CVE-2018-20748: Fixed multiple heap out-of-bound writes in VNC client code (bsc#1123823)

This update was imported from the SUSE:SLE-12:Update update project.

Solution

Update the affected LibVNCServer packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1123823

https://bugzilla.opensuse.org/show_bug.cgi?id=1123828

https://bugzilla.opensuse.org/show_bug.cgi?id=1123832

Plugin Details

Severity: Critical

ID: 122300

File Name: openSUSE-2019-200.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/19/2019

Updated: 6/19/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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-2018-20750

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:novell:opensuse:libvncserver-devel, p-cpe:/a:novell:opensuse:libvncclient0-debuginfo, p-cpe:/a:novell:opensuse:libvncserver0, p-cpe:/a:novell:opensuse:linuxvnc, p-cpe:/a:novell:opensuse:libvncserver-debugsource, p-cpe:/a:novell:opensuse:libvncserver0-debuginfo, cpe:/o:novell:opensuse:42.3, p-cpe:/a:novell:opensuse:libvncclient0, p-cpe:/a:novell:opensuse:linuxvnc-debuginfo

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/18/2019

Vulnerability Publication Date: 1/30/2019

Reference Information

CVE: CVE-2018-20748, CVE-2018-20749, CVE-2018-20750