Security update for LibVNCServer

Announcement ID:	SUSE-SU-2020:2167-1
Rating:	important
References:	bsc#1173477 bsc#1173691 bsc#1173694 bsc#1173700 bsc#1173701 bsc#1173743 bsc#1173874 bsc#1173875 bsc#1173876 bsc#1173880
Cross-References:	CVE-2017-18922 CVE-2018-21247 CVE-2019-20839 CVE-2019-20840 CVE-2020-14397 CVE-2020-14398 CVE-2020-14399 CVE-2020-14400 CVE-2020-14401 CVE-2020-14402 CVE-2020-14403 CVE-2020-14404
CVSS scores:	CVE-2017-18922 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-18922 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2018-21247 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2018-21247 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2019-20839 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2019-20839 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2019-20840 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2019-20840 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-14397 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2020-14397 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-14398 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2020-14398 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-14399 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVE-2020-14399 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-14400 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVE-2020-14400 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-14401 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L CVE-2020-14401 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVE-2020-14402 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2020-14402 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVE-2020-14403 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2020-14403 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVE-2020-14404 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2020-14404 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Affected Products:	HPE Helion OpenStack 8 SUSE Enterprise Storage 5 SUSE Linux Enterprise High Performance Computing 12 SP2 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Software Development Kit 12 SP5 SUSE OpenStack Cloud 7 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9

An update that solves 12 vulnerabilities can now be installed.

Description:

This update for LibVNCServer fixes the following issues:

• security update fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock() fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings. fix CVE-2020-14403 [bsc#1173701], out-of-bounds access via encodings. fix CVE-2020-14404 [bsc#1173701], out-of-bounds access via encodings. fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• HPE Helion OpenStack 8
  zypper in -t patch HPE-Helion-OpenStack-8-2020-2167=1
• SUSE OpenStack Cloud 7
  zypper in -t patch SUSE-OpenStack-Cloud-7-2020-2167=1
• SUSE OpenStack Cloud 8
  zypper in -t patch SUSE-OpenStack-Cloud-8-2020-2167=1
• SUSE OpenStack Cloud 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2020-2167=1
• SUSE OpenStack Cloud Crowbar 8
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-2167=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-2167=1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2
  zypper in -t patch SUSE-SLE-POS-12-SP2-CLIENT-2020-2167=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2167=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-2167=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2020-2167=1
• SUSE Linux Enterprise Software Development Kit 12 SP5
  zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-2167=1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2167=1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-ESPOS-2020-2167=1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2167=1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-2167=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2020-2167=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-2167=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2020-2167=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2020-2167=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2167=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2167=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2167=1
• SUSE Enterprise Storage 5
  zypper in -t patch SUSE-Storage-5-2020-2167=1

Package List:

• HPE Helion OpenStack 8 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE OpenStack Cloud 7 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE OpenStack Cloud 8 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE OpenStack Cloud 9 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE OpenStack Cloud Crowbar 8 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2 (ppc64le x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x x86_64)
  • LibVNCServer-devel-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (ppc64le s390x x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (aarch64 x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64 ppc64le s390x x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (aarch64 x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64 ppc64le s390x x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1
• SUSE Enterprise Storage 5 (aarch64 x86_64)
  • libvncserver0-debuginfo-0.9.9-17.31.1
  • libvncserver0-0.9.9-17.31.1
  • libvncclient0-0.9.9-17.31.1
  • LibVNCServer-debugsource-0.9.9-17.31.1
  • libvncclient0-debuginfo-0.9.9-17.31.1

References:

• https://www.suse.com/security/cve/CVE-2017-18922.html
• https://www.suse.com/security/cve/CVE-2018-21247.html
• https://www.suse.com/security/cve/CVE-2019-20839.html
• https://www.suse.com/security/cve/CVE-2019-20840.html
• https://www.suse.com/security/cve/CVE-2020-14397.html
• https://www.suse.com/security/cve/CVE-2020-14398.html
• https://www.suse.com/security/cve/CVE-2020-14399.html
• https://www.suse.com/security/cve/CVE-2020-14400.html
• https://www.suse.com/security/cve/CVE-2020-14401.html
• https://www.suse.com/security/cve/CVE-2020-14402.html
• https://www.suse.com/security/cve/CVE-2020-14403.html
• https://www.suse.com/security/cve/CVE-2020-14404.html
• https://bugzilla.suse.com/show_bug.cgi?id=1173477
• https://bugzilla.suse.com/show_bug.cgi?id=1173691
• https://bugzilla.suse.com/show_bug.cgi?id=1173694
• https://bugzilla.suse.com/show_bug.cgi?id=1173700
• https://bugzilla.suse.com/show_bug.cgi?id=1173701
• https://bugzilla.suse.com/show_bug.cgi?id=1173743
• https://bugzilla.suse.com/show_bug.cgi?id=1173874
• https://bugzilla.suse.com/show_bug.cgi?id=1173875
• https://bugzilla.suse.com/show_bug.cgi?id=1173876
• https://bugzilla.suse.com/show_bug.cgi?id=1173880