openSUSE Security Update : tigervnc (openSUSE-2017-475)

high Nessus Plugin ID 99426

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for tigervnc provides the several fixes.

These security issues were fixed :

- CVE-2017-7392, CVE-2017-7396: Client can cause leak in VNC server (bsc#1031886)

- CVE-2017-7395: Authenticated VNC client can crash VNC server (bsc#1031877)

- CVE-2017-7394: Client can crash or block VNC server (bsc#1031879)

- CVE-2017-7393: Authenticated client can cause double free in VNC server (bsc#1031875)

- Prevent buffer overflow in VNC client, allowing for crashing the client (bnc#1032880)

Solution

Update the affected tigervnc packages.

Plugin Details

Severity: High

ID: 99426

File Name: openSUSE-2017-475.nasl

Version: 3.6

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/18/2017

Updated: 12/25/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2017-7393

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:novell:opensuse:xorg-x11-xvnc-debuginfo, p-cpe:/a:novell:opensuse:libxvnc1, p-cpe:/a:novell:opensuse:tigervnc-debugsource, cpe:/o:novell:opensuse:42.2, cpe:/o:novell:opensuse:42.1, p-cpe:/a:novell:opensuse:xorg-x11-xvnc, p-cpe:/a:novell:opensuse:libxvnc-devel, p-cpe:/a:novell:opensuse:tigervnc-debuginfo, p-cpe:/a:novell:opensuse:libxvnc1-debuginfo, p-cpe:/a:novell:opensuse:tigervnc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/18/2017

Reference Information

CVE: CVE-2017-7392, CVE-2017-7393, CVE-2017-7394, CVE-2017-7395, CVE-2017-7396

Detections

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