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[security-announce] openSUSE-SU-2019:0053-1: important: Security update for LibVNCServer
openSUSE Security Update: Security update for LibVNCServer

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

An update that fixes 9 vulnerabilities is now available.


This update for LibVNCServer fixes the following issues:

Security issues fixed:

- CVE-2018-15126: Fixed use-after-free in file transfer extension
- 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
- 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
- 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):



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