Security update for tigervnc SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2020:1749-1 Final 1 1 2020-06-25T16:27:45Z current 2020-06-25T16:27:45Z 2020-06-25T16:27:45Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for tigervnc This update for tigervnc fixes the following issues: - CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder (bsc#1159856). - CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode (bsc#1160250). - CVE-2019-15693: Fixed a heap-based buffer overflow in TightDecoder::FilterGradient (bsc#1159858). - CVE-2019-15694: Fixed a heap-based buffer overflow, caused by improper error handling in processing MemOutStream (bsc#1160251). - CVE-2019-15695: Fixed a stack-based buffer overflow, which could be triggered from CMsgReader::readSetCursor (bsc#1159860). Other bugs fixed: - Fix random connection freezes (bsc#1169952, bsc#1160249, bsc#1165680): The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). Image SLES12-SP5-Azure-SAP-BYOS-2020-1749,Image SLES12-SP5-Azure-SAP-On-Demand-2020-1749,Image SLES12-SP5-EC2-SAP-BYOS-2020-1749,Image SLES12-SP5-EC2-SAP-On-Demand-2020-1749,Image SLES12-SP5-GCE-SAP-BYOS-2020-1749,Image SLES12-SP5-GCE-SAP-On-Demand-2020-1749,Image SLES12-SP5-OCI-BYOS-SAP-BYOS-2020-1749,Image SLES12-SP5-SAP-Azure-LI-BYOS-Production-2020-1749,Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production-2020-1749,SUSE-2020-1749,SUSE-SLE-SERVER-12-SP4-2020-1749,SUSE-SLE-SERVER-12-SP5-2020-1749 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2020/suse-su-20201749-1/ Link for SUSE-SU-2020:1749-1 https://lists.suse.com/pipermail/sle-security-updates/2020-June/007035.html E-Mail link for SUSE-SU-2020:1749-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1159856 SUSE Bug 1159856 https://bugzilla.suse.com/1159858 SUSE Bug 1159858 https://bugzilla.suse.com/1159860 SUSE Bug 1159860 https://bugzilla.suse.com/1160249 SUSE Bug 1160249 https://bugzilla.suse.com/1160250 SUSE Bug 1160250 https://bugzilla.suse.com/1160251 SUSE Bug 1160251 https://bugzilla.suse.com/1160937 SUSE Bug 1160937 https://bugzilla.suse.com/1165680 SUSE Bug 1165680 https://bugzilla.suse.com/1169952 SUSE Bug 1169952 https://www.suse.com/security/cve/CVE-2019-15691/ SUSE CVE CVE-2019-15691 page https://www.suse.com/security/cve/CVE-2019-15692/ SUSE CVE CVE-2019-15692 page https://www.suse.com/security/cve/CVE-2019-15693/ SUSE CVE CVE-2019-15693 page https://www.suse.com/security/cve/CVE-2019-15694/ SUSE CVE CVE-2019-15694 page https://www.suse.com/security/cve/CVE-2019-15695/ SUSE CVE CVE-2019-15695 page Image SLES12-SP5-Azure-SAP-BYOS Image SLES12-SP5-Azure-SAP-On-Demand Image SLES12-SP5-EC2-SAP-BYOS Image SLES12-SP5-EC2-SAP-On-Demand Image SLES12-SP5-GCE-SAP-BYOS Image SLES12-SP5-GCE-SAP-On-Demand Image SLES12-SP5-OCI-BYOS-SAP-BYOS Image SLES12-SP5-SAP-Azure-LI-BYOS-Production Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 libXvnc1-1.6.0-22.14.1 xorg-x11-Xvnc-1.6.0-22.14.1 libXvnc-devel-1.6.0-22.14.1 tigervnc-1.6.0-22.14.1 libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-Azure-SAP-BYOS xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-Azure-SAP-BYOS libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-Azure-SAP-On-Demand xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-Azure-SAP-On-Demand libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-EC2-SAP-BYOS xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-EC2-SAP-BYOS libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-EC2-SAP-On-Demand xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-EC2-SAP-On-Demand libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-GCE-SAP-BYOS xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-GCE-SAP-BYOS libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-GCE-SAP-On-Demand xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-GCE-SAP-On-Demand libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-OCI-BYOS-SAP-BYOS xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-OCI-BYOS-SAP-BYOS libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-SAP-Azure-LI-BYOS-Production xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-SAP-Azure-LI-BYOS-Production libXvnc1-1.6.0-22.14.1 as a component of Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production xorg-x11-Xvnc-1.6.0-22.14.1 as a component of Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production libXvnc1-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server 12 SP4 tigervnc-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server 12 SP4 xorg-x11-Xvnc-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server 12 SP4 libXvnc1-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server 12 SP5 tigervnc-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server 12 SP5 xorg-x11-Xvnc-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server 12 SP5 libXvnc1-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 tigervnc-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 xorg-x11-Xvnc-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 libXvnc1-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 tigervnc-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 xorg-x11-Xvnc-1.6.0-22.14.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process of stack unwinding. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity. CVE-2019-15691 Image SLES12-SP5-Azure-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 important 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201749-1/ https://www.suse.com/security/cve/CVE-2019-15691.html CVE-2019-15691 https://bugzilla.suse.com/1159856 SUSE Bug 1159856 TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow. Vulnerability could be triggered from CopyRectDecoder due to incorrect value checks. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity. CVE-2019-15692 Image SLES12-SP5-Azure-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 important 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201749-1/ https://www.suse.com/security/cve/CVE-2019-15692.html CVE-2019-15692 https://bugzilla.suse.com/1160250 SUSE Bug 1160250 TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity. CVE-2019-15693 Image SLES12-SP5-Azure-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 important 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201749-1/ https://www.suse.com/security/cve/CVE-2019-15693.html CVE-2019-15693 https://bugzilla.suse.com/1159858 SUSE Bug 1159858 TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. Vulnerability occurs due to the signdness error in processing MemOutStream. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity. CVE-2019-15694 Image SLES12-SP5-Azure-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 important 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201749-1/ https://www.suse.com/security/cve/CVE-2019-15694.html CVE-2019-15694 https://bugzilla.suse.com/1160251 SUSE Bug 1160251 TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity. CVE-2019-15695 Image SLES12-SP5-Azure-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-Azure-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-EC2-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-GCE-SAP-On-Demand:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-OCI-BYOS-SAP-BYOS:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-LI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:libXvnc1-1.6.0-22.14.1 Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP4:xorg-x11-Xvnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:libXvnc1-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:tigervnc-1.6.0-22.14.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:xorg-x11-Xvnc-1.6.0-22.14.1 important 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2020/suse-su-20201749-1/ https://www.suse.com/security/cve/CVE-2019-15695.html CVE-2019-15695 https://bugzilla.suse.com/1159860 SUSE Bug 1159860