openSUSE Security Update : tigervnc (openSUSE-2020-87)

high Nessus Plugin ID 133173

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for tigervnc fixes the following issues :

- CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder (bsc#1159856).

- CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode (bsc#1160250).

- CVE-2019-15693: Fixed a heap-based buffer overflow in TightDecoder::FilterGradient (bsc#1159858).

- CVE-2019-15694: Fixed a heap-based buffer overflow, caused by improper error handling in processing MemOutStream (bsc#1160251).

- CVE-2019-15695: Fixed a stack-based buffer overflow, which could be triggered from CMsgReader::readSetCursor (bsc#1159860).

This update was imported from the SUSE:SLE-15-SP1:Update update project.

Solution

Update the affected tigervnc packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1159856

https://bugzilla.opensuse.org/show_bug.cgi?id=1159858

https://bugzilla.opensuse.org/show_bug.cgi?id=1159860

https://bugzilla.opensuse.org/show_bug.cgi?id=1160250

https://bugzilla.opensuse.org/show_bug.cgi?id=1160251

Plugin Details

Severity: High

ID: 133173

File Name: openSUSE-2020-87.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/22/2020

Updated: 1/24/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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: 7.2

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/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:libxvnc-devel, p-cpe:/a:novell:opensuse:libxvnc1, p-cpe:/a:novell:opensuse:libxvnc1-debuginfo, p-cpe:/a:novell:opensuse:tigervnc, p-cpe:/a:novell:opensuse:tigervnc-debuginfo, p-cpe:/a:novell:opensuse:tigervnc-debugsource, p-cpe:/a:novell:opensuse:tigervnc-x11vnc, p-cpe:/a:novell:opensuse:xorg-x11-xvnc, p-cpe:/a:novell:opensuse:xorg-x11-xvnc-debuginfo, p-cpe:/a:novell:opensuse:xorg-x11-xvnc-java, p-cpe:/a:novell:opensuse:xorg-x11-xvnc-module, p-cpe:/a:novell:opensuse:xorg-x11-xvnc-module-debuginfo, p-cpe:/a:novell:opensuse:xorg-x11-xvnc-novnc, cpe:/o:novell:opensuse:15.1

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: 1/21/2020

Vulnerability Publication Date: 12/26/2019

Reference Information

CVE: CVE-2019-15691, CVE-2019-15692, CVE-2019-15693, CVE-2019-15694, CVE-2019-15695