Security update for LibVNCServer SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2019:0060-2 Final 1 1 2019-04-29T05:55:37Z current 2019-04-29T05:55:37Z 2019-04-29T05:55:37Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for LibVNCServer 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) The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2019-60,SUSE-SLE-SAP-12-SP1-2019-60 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2019/suse-su-20190060-2/ Link for SUSE-SU-2019:0060-2 https://lists.suse.com/pipermail/sle-security-updates/2019-April/005402.html E-Mail link for SUSE-SU-2019:0060-2 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1120114 SUSE Bug 1120114 https://bugzilla.suse.com/1120115 SUSE Bug 1120115 https://bugzilla.suse.com/1120116 SUSE Bug 1120116 https://bugzilla.suse.com/1120117 SUSE Bug 1120117 https://bugzilla.suse.com/1120118 SUSE Bug 1120118 https://bugzilla.suse.com/1120119 SUSE Bug 1120119 https://bugzilla.suse.com/1120120 SUSE Bug 1120120 https://bugzilla.suse.com/1120121 SUSE Bug 1120121 https://bugzilla.suse.com/1120122 SUSE Bug 1120122 https://www.suse.com/security/cve/CVE-2018-15126/ SUSE CVE CVE-2018-15126 page https://www.suse.com/security/cve/CVE-2018-15127/ SUSE CVE CVE-2018-15127 page https://www.suse.com/security/cve/CVE-2018-20019/ SUSE CVE CVE-2018-20019 page https://www.suse.com/security/cve/CVE-2018-20020/ SUSE CVE CVE-2018-20020 page https://www.suse.com/security/cve/CVE-2018-20021/ SUSE CVE CVE-2018-20021 page https://www.suse.com/security/cve/CVE-2018-20022/ SUSE CVE CVE-2018-20022 page https://www.suse.com/security/cve/CVE-2018-20023/ SUSE CVE CVE-2018-20023 page https://www.suse.com/security/cve/CVE-2018-20024/ SUSE CVE CVE-2018-20024 page https://www.suse.com/security/cve/CVE-2018-6307/ SUSE CVE CVE-2018-6307 page SUSE Linux Enterprise Server for SAP Applications 12 SP1 LibVNCServer-devel-0.9.9-17.8.1 libvncclient0-0.9.9-17.8.1 libvncserver0-0.9.9-17.8.1 linuxvnc-0.9.9-17.8.1 libvncclient0-0.9.9-17.8.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP1 libvncserver0-0.9.9-17.8.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP1 LibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution CVE-2018-15126 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 critical 7.5 AV:N/AC:L/Au:N/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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-15126.html CVE-2018-15126 https://bugzilla.suse.com/1120114 SUSE Bug 1120114 LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution CVE-2018-15127 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 critical 7.5 AV:N/AC:L/Au:N/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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-15127.html CVE-2018-15127 https://bugzilla.suse.com/1120117 SUSE Bug 1120117 https://bugzilla.suse.com/1123828 SUSE Bug 1123828 https://bugzilla.suse.com/1123832 SUSE Bug 1123832 LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution CVE-2018-20019 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 important 7.5 AV:N/AC:L/Au:N/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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-20019.html CVE-2018-20019 https://bugzilla.suse.com/1120118 SUSE Bug 1120118 https://bugzilla.suse.com/1123823 SUSE Bug 1123823 https://bugzilla.suse.com/1155442 SUSE Bug 1155442 LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution CVE-2018-20020 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 important 7.5 AV:N/AC:L/Au:N/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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-20020.html CVE-2018-20020 https://bugzilla.suse.com/1120116 SUSE Bug 1120116 https://bugzilla.suse.com/1155472 SUSE Bug 1155472 LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM CVE-2018-20021 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 moderate 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C 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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-20021.html CVE-2018-20021 https://bugzilla.suse.com/1120122 SUSE Bug 1120122 LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR CVE-2018-20022 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 moderate 5 AV:N/AC:L/Au:N/C:P/I:N/A:N 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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-20022.html CVE-2018-20022 https://bugzilla.suse.com/1120120 SUSE Bug 1120120 LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Improper Initialization vulnerability in VNC Repeater client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR CVE-2018-20023 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 moderate 5 AV:N/AC:L/Au:N/C:P/I:N/A:N 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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-20023.html CVE-2018-20023 https://bugzilla.suse.com/1120119 SUSE Bug 1120119 LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS. CVE-2018-20024 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 moderate 5 AV:N/AC:L/Au:N/C:N/I:N/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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-20024.html CVE-2018-20024 https://bugzilla.suse.com/1120121 SUSE Bug 1120121 LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution. CVE-2018-6307 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncclient0-0.9.9-17.8.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:libvncserver0-0.9.9-17.8.1 critical 6.8 AV:N/AC:M/Au:N/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/2019/suse-su-20190060-2/ https://www.suse.com/security/cve/CVE-2018-6307.html CVE-2018-6307 https://bugzilla.suse.com/1120115 SUSE Bug 1120115