Debian DSA-4383-1 : libvncserver - security update

High Nessus Plugin ID 121561

Synopsis

The remote Debian host is missing a security-related update.

Description

Pavel Cheremushkin discovered several vulnerabilities in libvncserver, a library to implement VNC server/client functionalities, which might result in the execution of arbitrary code, denial of service or information disclosure.

Solution

Upgrade the libvncserver packages.

For the stable distribution (stretch), these problems have been fixed in version 0.9.11+dfsg-1.3~deb9u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916941

http://www.nessus.org/u?b930abb4

https://packages.debian.org/source/stretch/libvncserver

https://www.debian.org/security/2019/dsa-4383

Plugin Details

Severity: High

ID: 121561

File Name: debian_DSA-4383.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2019/02/04

Updated: 2019/02/04

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

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

CVSS v3.0

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libvncserver, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Patch Publication Date: 2019/02/03

Vulnerability Publication Date: 2018/12/19

Reference Information

CVE: CVE-2018-15126, CVE-2018-15127, CVE-2018-20019, CVE-2018-20020, CVE-2018-20021, CVE-2018-20022, CVE-2018-20023, CVE-2018-20024, CVE-2018-6307

DSA: 4383