SUSE SLES12 Security Update : LibVNCServer (SUSE-SU-2019:0060-1)

High Nessus Plugin ID 121094

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-2018-15126: Fixed use-after-free in file transfer extension (bsc#1120114)

CVE-2018-6307: Fixed use-after-free in file transfer extension server code (bsc#1120115)

CVE-2018-20020: Fixed heap out-of-bound write inside structure in VNC client code (bsc#1120116)

CVE-2018-15127: Fixed heap out-of-bounds write in rfbserver.c (bsc#1120117)

CVE-2018-20019: Fixed multiple heap out-of-bound writes in VNC client code (bsc#1120118)

CVE-2018-20023: Fixed information disclosure through improper initialization in VNC Repeater client code (bsc#1120119)

CVE-2018-20022: Fixed information disclosure through improper initialization in VNC client code (bsc#1120120)

CVE-2018-20024: Fixed NULL pointer dereference in VNC client code (bsc#1120121)

CVE-2018-20021: Fixed infinite loop in VNC client code (bsc#1120122)

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 OpenStack Cloud 7:zypper in -t patch SUSE-OpenStack-Cloud-7-2019-60=1

SUSE Linux Enterprise Software Development Kit 12-SP4:zypper in -t patch SUSE-SLE-SDK-12-SP4-2019-60=1

SUSE Linux Enterprise Software Development Kit 12-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2019-60=1

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-60=1

SUSE Linux Enterprise Server 12-SP4:zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-60=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-60=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-60=1

SUSE Linux Enterprise Server 12-SP2-BCL:zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2019-60=1

SUSE Linux Enterprise Server 12-SP1-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2019-60=1

SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2019-60=1

SUSE Enterprise Storage 4:zypper in -t patch SUSE-Storage-4-2019-60=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1120114

https://bugzilla.suse.com/show_bug.cgi?id=1120115

https://bugzilla.suse.com/show_bug.cgi?id=1120116

https://bugzilla.suse.com/show_bug.cgi?id=1120117

https://bugzilla.suse.com/show_bug.cgi?id=1120118

https://bugzilla.suse.com/show_bug.cgi?id=1120119

https://bugzilla.suse.com/show_bug.cgi?id=1120120

https://bugzilla.suse.com/show_bug.cgi?id=1120121

https://bugzilla.suse.com/show_bug.cgi?id=1120122

https://www.suse.com/security/cve/CVE-2018-15126/

https://www.suse.com/security/cve/CVE-2018-15127/

https://www.suse.com/security/cve/CVE-2018-20019/

https://www.suse.com/security/cve/CVE-2018-20020/

https://www.suse.com/security/cve/CVE-2018-20021/

https://www.suse.com/security/cve/CVE-2018-20022/

https://www.suse.com/security/cve/CVE-2018-20023/

https://www.suse.com/security/cve/CVE-2018-20024/

https://www.suse.com/security/cve/CVE-2018-6307/

http://www.nessus.org/u?f556835f

Plugin Details

Severity: High

ID: 121094

File Name: suse_SU-2019-0060-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2019/01/11

Updated: 2019/09/10

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.0

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:LibVNCServer-debugsource, p-cpe:/a:novell:suse_linux:libvncclient0, p-cpe:/a:novell:suse_linux:libvncclient0-debuginfo, p-cpe:/a:novell:suse_linux:libvncserver0, p-cpe:/a:novell:suse_linux:libvncserver0-debuginfo, cpe:/o:novell:suse_linux:12

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

Patch Publication Date: 2019/01/10

Vulnerability Publication Date: 2018/12/19

Reference Information

CVE: CVE-2018-15126, CVE-2018-15127, CVE-2018-20019, CVE-2018-20020, CVE-2018-20021, CVE-2018-20022, CVE-2018-20023, CVE-2018-20024, CVE-2018-6307