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

Medium Nessus Plugin ID 99625


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


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.


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'.

See Also

Plugin Details

Severity: Medium

ID: 99625

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

Version: $Revision: 3.4 $

Type: local

Agent: unix

Published: 2017/04/24

Modified: 2018/01/31

Dependencies: 12634

Risk Information

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


Base Score: 8.8

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

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 Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/04/22

Reference Information

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

OSVDB: 154738, 154739, 154740, 154760, 154761