SUSE SLES11 Security Update : LibVNCServer (SUSE-SU-2020:14549-1)

high Nessus Plugin ID 150527

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES11 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2020:14549-1 advisory.

- A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service. (CVE-2020-25708)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected LibVNCServer package.

See Also

https://bugzilla.suse.com/1178682

http://www.nessus.org/u?84c8bc31

https://www.suse.com/security/cve/CVE-2020-25708

Plugin Details

Severity: High

ID: 150527

File Name: suse_SU-2020-14549-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 6/10/2021

Updated: 12/26/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2020-25708

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libvncserver, cpe:/o:novell:suse_linux:11

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/26/2020

Vulnerability Publication Date: 11/27/2020

Reference Information

CVE: CVE-2020-25708

SuSE: SUSE-SU-2020:14549-1