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AUSCERT External Security Bulletin Redistribution
ESB-2019.0121
SUSE Security Update: Security update for LibVNCServer
14 January 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: VNC
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-2018-20022 CVE-2018-20021
CVE-2018-20020 CVE-2018-20019 CVE-2018-15127
CVE-2018-15126 CVE-2018-6307
Reference: ESB-2019.0114
ESB-2019.0009
Original Bulletin:
https://www.suse.com/support/update/announcement/2019/suse-su-201913927-1/
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SUSE Security Update: Security update for LibVNCServer
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:13927-1
Rating: important
References: #1120114 #1120115 #1120116 #1120117 #1120118
#1120120 #1120121 #1120122
Cross-References: CVE-2018-15126 CVE-2018-15127 CVE-2018-20019
CVE-2018-20020 CVE-2018-20021 CVE-2018-20022
CVE-2018-20024 CVE-2018-6307
Affected Products:
SUSE Linux Enterprise Software Development Kit 11-SP4
SUSE Linux Enterprise Server 11-SP4
SUSE Linux Enterprise Server 11-SP3-LTSS
SUSE Linux Enterprise Point of Sale 11-SP3
SUSE Linux Enterprise Debuginfo 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________
An update that fixes 8 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-2018-20022: 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 Software Development Kit 11-SP4:
zypper in -t patch sdksp4-LibVNCServer-13927=1
- SUSE Linux Enterprise Server 11-SP4:
zypper in -t patch slessp4-LibVNCServer-13927=1
- SUSE Linux Enterprise Server 11-SP3-LTSS:
zypper in -t patch slessp3-LibVNCServer-13927=1
- SUSE Linux Enterprise Point of Sale 11-SP3:
zypper in -t patch sleposp3-LibVNCServer-13927=1
- SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-LibVNCServer-13927=1
- SUSE Linux Enterprise Debuginfo 11-SP3:
zypper in -t patch dbgsp3-LibVNCServer-13927=1
Package List:
- SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):
LibVNCServer-devel-0.9.1-160.6.1
- SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
LibVNCServer-0.9.1-160.6.1
- SUSE Linux Enterprise Server 11-SP3-LTSS (i586 s390x x86_64):
LibVNCServer-0.9.1-160.6.1
- SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
LibVNCServer-0.9.1-160.6.1
- SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
LibVNCServer-debuginfo-0.9.1-160.6.1
LibVNCServer-debugsource-0.9.1-160.6.1
- SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
LibVNCServer-debuginfo-0.9.1-160.6.1
LibVNCServer-debugsource-0.9.1-160.6.1
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-2018-20024.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/1120120
https://bugzilla.suse.com/1120121
https://bugzilla.suse.com/1120122
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