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CentOS 7 : libvncserver (CESA-2019:0059)

critical Nessus Plugin ID 121216

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for libvncserver is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.

Security Fix(es) :

* libvncserver: Heap out-of-bounds write in rfbserver.c in rfbProcessFileTransferReadBuffer() allows for potential code execution (CVE-2018-15127)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Solution

Update the affected libvncserver packages.

See Also

http://www.nessus.org/u?085e9bc4

Plugin Details

Severity: Critical

ID: 121216

File Name: centos_RHSA-2019-0059.nasl

Version: 1.4

Type: local

Agent: unix

Published: 1/17/2019

Updated: 2/24/2020

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2018-15127

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:libvncserver, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:libvncserver-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/16/2019

Vulnerability Publication Date: 12/19/2018

Reference Information

CVE: CVE-2018-15127

RHSA: 2019:0059