SUSE SLED12 / SLES12 Security Update : tigervnc (SUSE-SU-2017:1094-1)

high Nessus Plugin ID 99625

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Synopsis

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

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)

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2017-635=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-635=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-635=1

To bring your system up-to-date, use 'zypper patch'.

Plugin Details

Severity: High

ID: 99625

File Name: suse_SU-2017-1094-1.nasl

Version: 3.10

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/24/2017

Updated: 1/6/2021

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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 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:suse_linux:libxvnc1, p-cpe:/a:novell:suse_linux:libxvnc1-debuginfo, p-cpe:/a:novell:suse_linux:tigervnc, p-cpe:/a:novell:suse_linux:tigervnc-debuginfo, p-cpe:/a:novell:suse_linux:tigervnc-debugsource, p-cpe:/a:novell:suse_linux:xorg-x11-xvnc, p-cpe:/a:novell:suse_linux:xorg-x11-xvnc-debuginfo, cpe:/o:novell:suse_linux:12

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/22/2017

Vulnerability Publication Date: 4/1/2017

Reference Information

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

Detections

Analytics