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AUSCERT External Security Bulletin Redistribution
ESB-2019.0123
SUSE Security Update: Security update for LibVNCServer
14 January 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: LibVNCServer
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-20024 CVE-2018-20023 CVE-2018-20022
CVE-2018-20021 CVE-2018-20020 CVE-2018-20019
CVE-2018-15127 CVE-2018-15126 CVE-2018-6307
Reference: ESB-2019.0121
ESB-2019.0114
ESB-2019.0009
Original Bulletin:
https://www.suse.com/es-es/support/update/announcement/2019/suse-su-20190080-1/
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SUSE Security Update: Security update for LibVNCServer
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:0080-1
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:
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Module for Packagehub Subpackages 15
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
______________________________________________________________________________
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)
Patch Instructions:
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-15-2019-80=1
- SUSE Linux Enterprise Module for Packagehub Subpackages 15:
zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-2019-80=1
- SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:
zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-80=1
Package List:
- SUSE Linux Enterprise Workstation Extension 15 (x86_64):
LibVNCServer-debugsource-0.9.10-4.3.1
libvncclient0-0.9.10-4.3.1
libvncclient0-debuginfo-0.9.10-4.3.1
- SUSE Linux Enterprise Module for Packagehub Subpackages 15 (aarch64 ppc64le s390x x86_64):
LibVNCServer-debugsource-0.9.10-4.3.1
libvncserver0-0.9.10-4.3.1
libvncserver0-debuginfo-0.9.10-4.3.1
- SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (aarch64 ppc64le s390x x86_64):
LibVNCServer-debugsource-0.9.10-4.3.1
LibVNCServer-devel-0.9.10-4.3.1
libvncserver0-0.9.10-4.3.1
libvncserver0-debuginfo-0.9.10-4.3.1
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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