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

medium Nessus Plugin ID 133173
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VPR Score: 5.9

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: Medium

ID: 133173

File Name: openSUSE-2020-87.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/22/2020

Updated: 1/24/2020

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 5.9

CVSS v2.0

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

CVSS v3.0

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: cpe:2.3:o:novell:opensuse:15.1:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:xorg-x11-xvnc:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:xorg-x11-xvnc-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:libxvnc-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:libxvnc1:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:libxvnc1-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:tigervnc:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:tigervnc-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:tigervnc-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:tigervnc-x11vnc:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:xorg-x11-xvnc-java:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:xorg-x11-xvnc-module:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:xorg-x11-xvnc-module-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:opensuse:xorg-x11-xvnc-novnc:*:*:*:*:*:*:*

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