openSUSE Security Update: Security update for LibVNCServer
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Announcement ID: openSUSE-SU-2019:0053-1
Rating: important
References: #1120114 #1120115 #1120116 #1120117 #1120118
#1120119 #1120120 #1120121 #1120122
Cross-References: 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

Affected Products:
openSUSE Leap 15.0
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An update that fixes 9 vulnerabilities is now available.

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)

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

Patch Instructions:

To install this openSUSE 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:

– openSUSE Leap 15.0:

zypper in -t patch openSUSE-2019-53=1

Package List:

– openSUSE Leap 15.0 (i586 x86_64):

LibVNCServer-debugsource-0.9.10-lp150.3.3.1
LibVNCServer-devel-0.9.10-lp150.3.3.1
libvncclient0-0.9.10-lp150.3.3.1
libvncclient0-debuginfo-0.9.10-lp150.3.3.1
libvncserver0-0.9.10-lp150.3.3.1
libvncserver0-debuginfo-0.9.10-lp150.3.3.1

References:

https://www.suse.com/security/cve/CVE-2018-15126.html
https://www.suse.com/security/cve/CVE-2018-15127.html
https://www.suse.com/security/cve/CVE-2018-20019.html
https://www.suse.com/security/cve/CVE-2018-20020.html
https://www.suse.com/security/cve/CVE-2018-20021.html
https://www.suse.com/security/cve/CVE-2018-20022.html
https://www.suse.com/security/cve/CVE-2018-20023.html
https://www.suse.com/security/cve/CVE-2018-20024.html
https://www.suse.com/security/cve/CVE-2018-6307.html
https://bugzilla.suse.com/1120114
https://bugzilla.suse.com/1120115
https://bugzilla.suse.com/1120116
https://bugzilla.suse.com/1120117
https://bugzilla.suse.com/1120118
https://bugzilla.suse.com/1120119
https://bugzilla.suse.com/1120120
https://bugzilla.suse.com/1120121
https://bugzilla.suse.com/1120122

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