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SUSE SLED15 / SLES15 Security Update : LibVNCServer (SUSE-SU-2019:0283-1)
critical Nessus Plugin ID 122047
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Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for LibVNCServer fixes the following issues :Security issues fixed :
CVE-2018-20749: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123828)
CVE-2018-20750: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123832)
CVE-2018-20748: Fixed multiple heap out-of-bound writes in VNC client code (bsc#1123823)
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 the SUSE recommended installation methods like YaST online_update or 'zypper patch'.Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Workstation Extension 15:zypper in -t patch SUSE-SLE-Product-WE-15-2019-283=1
SUSE Linux Enterprise Module for Packagehub Subpackages 15:zypper in
-t patch SUSE-SLE-Module-Packagehub-Subpackages-15-2019-283=1
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-283=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1123823
https://bugzilla.suse.com/show_bug.cgi?id=1123828
https://bugzilla.suse.com/show_bug.cgi?id=1123832
https://www.suse.com/security/cve/CVE-2018-20748/
https://www.suse.com/security/cve/CVE-2018-20749/
Plugin Details
Severity: Critical
ID: 122047
File Name: suse_SU-2019-0283-1.nasl
Version: 1.5
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 2/8/2019
Updated: 6/21/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2018-20750
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:libvncserver-debugsource, p-cpe:/a:novell:suse_linux:libvncserver-devel, p-cpe:/a:novell:suse_linux:libvncserver0-debuginfo, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libvncserver0
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 2/7/2019
Vulnerability Publication Date: 1/30/2019