Scientific Linux Security Update : libvncserver on SL7.x x86_64 (20190115)

critical Nessus Plugin ID 121205

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

Security Fix(es) :

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

Solution

Update the affected libvncserver, libvncserver-debuginfo and / or libvncserver-devel packages.

See Also

http://www.nessus.org/u?be646c3d

Plugin Details

Severity: Critical

ID: 121205

File Name: sl_20190115_libvncserver_on_SL7_x.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/16/2019

Updated: 2/24/2020

Supported Sensors: Nessus 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 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:fermilab:scientific_linux:libvncserver, p-cpe:/a:fermilab:scientific_linux:libvncserver-debuginfo, p-cpe:/a:fermilab:scientific_linux:libvncserver-devel, x-cpe:/o:fermilab:scientific_linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/15/2019

Vulnerability Publication Date: 12/19/2018

Reference Information

CVE: CVE-2018-15127