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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0176 SUSE: Security update for tigervnc 17 January 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: tigervnc Publisher: SUSE Operating System: SUSE UNIX variants (UNIX, Linux, OSX) Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-15695 CVE-2019-15694 CVE-2019-15693 CVE-2019-15692 CVE-2019-15691 Original Bulletin: https://www.suse.com/support/update/announcement/2020/suse-su-20200112-1.html https://www.suse.com/support/update/announcement/2020/suse-su-20200113-1.html Comment: This bulletin contains two (2) SUSE security advisories. This advisory references vulnerabilities in products which run on platforms other than SUSE. It is recommended that administrators running tigervnc check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for tigervnc ______________________________________________________________________________ Announcement ID: SUSE-SU-2020:0112-1 Rating: important References: #1159856 #1159858 #1159860 #1160250 #1160251 Cross-References: CVE-2019-15691 CVE-2019-15692 CVE-2019-15693 CVE-2019-15694 CVE-2019-15695 Affected Products: SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SUSE Linux Enterprise Module for Desktop Applications 15 SUSE Linux Enterprise Module for Basesystem 15 ______________________________________________________________________________ An update that fixes 5 vulnerabilities is now available. Description: This update for tigervnc fixes the following issues: o CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder (bsc#1159856). o CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode (bsc# 1160250). o CVE-2019-15693: Fixed a heap-based buffer overflow in TightDecoder::FilterGradient (bsc#1159858). o CVE-2019-15694: Fixed a heap-based buffer overflow, caused by improper error handling in processing MemOutStream (bsc#1160251). o CVE-2019-15695: Fixed a stack-based buffer overflow, which could be triggered from CMsgReader::readSetCursor (bsc#1159860). 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: o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15: zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2020-112=1 o SUSE Linux Enterprise Module for Desktop Applications 15: zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2020-112=1 o SUSE Linux Enterprise Module for Basesystem 15: zypper in -t patch SUSE-SLE-Module-Basesystem-15-2020-112=1 Package List: o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (noarch): tigervnc-x11vnc-1.8.0-13.11.1 xorg-x11-Xvnc-java-1.8.0-13.11.1 o SUSE Linux Enterprise Module for Desktop Applications 15 (aarch64 ppc64le s390x x86_64): libXvnc-devel-1.8.0-13.11.1 tigervnc-debuginfo-1.8.0-13.11.1 tigervnc-debugsource-1.8.0-13.11.1 o SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64): libXvnc1-1.8.0-13.11.1 libXvnc1-debuginfo-1.8.0-13.11.1 tigervnc-1.8.0-13.11.1 tigervnc-debuginfo-1.8.0-13.11.1 tigervnc-debugsource-1.8.0-13.11.1 xorg-x11-Xvnc-1.8.0-13.11.1 xorg-x11-Xvnc-debuginfo-1.8.0-13.11.1 o SUSE Linux Enterprise Module for Basesystem 15 (noarch): xorg-x11-Xvnc-novnc-1.8.0-13.11.1 References: o https://www.suse.com/security/cve/CVE-2019-15691.html o https://www.suse.com/security/cve/CVE-2019-15692.html o https://www.suse.com/security/cve/CVE-2019-15693.html o https://www.suse.com/security/cve/CVE-2019-15694.html o https://www.suse.com/security/cve/CVE-2019-15695.html o https://bugzilla.suse.com/1159856 o https://bugzilla.suse.com/1159858 o https://bugzilla.suse.com/1159860 o https://bugzilla.suse.com/1160250 o https://bugzilla.suse.com/1160251 ______________________________________________________________________________ SUSE Security Update: Security update for tigervnc ______________________________________________________________________________ Announcement ID: SUSE-SU-2020:0113-1 Rating: important References: #1159856 #1159858 #1159860 #1160250 #1160251 Cross-References: CVE-2019-15691 CVE-2019-15692 CVE-2019-15693 CVE-2019-15694 CVE-2019-15695 Affected Products: SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 SUSE Linux Enterprise Module for Desktop Applications 15-SP1 SUSE Linux Enterprise Module for Basesystem 15-SP1 ______________________________________________________________________________ An update that fixes 5 vulnerabilities is now available. Description: This update for tigervnc fixes the following issues: o CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder (bsc#1159856). o CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode (bsc# 1160250). o CVE-2019-15693: Fixed a heap-based buffer overflow in TightDecoder::FilterGradient (bsc#1159858). o CVE-2019-15694: Fixed a heap-based buffer overflow, caused by improper error handling in processing MemOutStream (bsc#1160251). o CVE-2019-15695: Fixed a stack-based buffer overflow, which could be triggered from CMsgReader::readSetCursor (bsc#1159860). 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: o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1: zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-113=1 o SUSE Linux Enterprise Module for Desktop Applications 15-SP1: zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP1-2020-113=1 o SUSE Linux Enterprise Module for Basesystem 15-SP1: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-113=1 Package List: o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (noarch): tigervnc-x11vnc-1.9.0-19.3.1 xorg-x11-Xvnc-java-1.9.0-19.3.1 o SUSE Linux Enterprise Module for Desktop Applications 15-SP1 (aarch64 ppc64le s390x x86_64): libXvnc-devel-1.9.0-19.3.1 tigervnc-debuginfo-1.9.0-19.3.1 tigervnc-debugsource-1.9.0-19.3.1 o SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64): libXvnc1-1.9.0-19.3.1 libXvnc1-debuginfo-1.9.0-19.3.1 tigervnc-1.9.0-19.3.1 tigervnc-debuginfo-1.9.0-19.3.1 tigervnc-debugsource-1.9.0-19.3.1 xorg-x11-Xvnc-1.9.0-19.3.1 xorg-x11-Xvnc-debuginfo-1.9.0-19.3.1 o SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le x86_64): xorg-x11-Xvnc-module-1.9.0-19.3.1 xorg-x11-Xvnc-module-debuginfo-1.9.0-19.3.1 o SUSE Linux Enterprise Module for Basesystem 15-SP1 (noarch): xorg-x11-Xvnc-novnc-1.9.0-19.3.1 References: o https://www.suse.com/security/cve/CVE-2019-15691.html o https://www.suse.com/security/cve/CVE-2019-15692.html o https://www.suse.com/security/cve/CVE-2019-15693.html o https://www.suse.com/security/cve/CVE-2019-15694.html o https://www.suse.com/security/cve/CVE-2019-15695.html o https://bugzilla.suse.com/1159856 o https://bugzilla.suse.com/1159858 o https://bugzilla.suse.com/1159860 o https://bugzilla.suse.com/1160250 o https://bugzilla.suse.com/1160251 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXiD4ZWaOgq3Tt24GAQhH5Q/+MGDZT8NnWPbBlDE1ZA0dOq0dKfC8gwHS kr/B/p9w05dES7uyunltuOAbHSnXPrsGiL/3kIuIiKVXNC4nYnb5T9EVIieCOlps u2xiOe2pFiqolm6oAEotjs5oHlNJKBxtheplXqcMwnDPlbfhiFTEiRLXapN0G2zQ xGRg7azESZBG/HeRW2AJQrYxJS83EYyZgMkpYuflslf3mT6IzLfhHHHaDEDKohB4 0G5j1JlIQo2b4Hq57H1HF8qU2IjY/V9H2KYKUMMXSInZ1G02droynI+s/wn0XphF 8G0Z+dDRKO5Kz6WF5cPjDKAHzY+SZpUIWEriOJzwGAU0rOyww1d1Fw82Hl8R0APZ FMqq2I//Dlv5hmxTHtUj54BtEZmyGu6vliaqvo4O3ZnQALTY7sRWTWqF69+kZI2W p7BtC0m4pF8KNHsm4MFom2A/LrsfOm1Ysmrz0A91gf/r3rSYOf8vTdsGxqoMSEKz mXwAeZOSn/YGMvApS9nKSx4sfwKn+b51lRl6TlEaNafzEm0WTHfaFUVWtOrgPDqI WgPonu067KNfAzFg27j3z8c3A9dSv0MoL9QNAytGuaB1udE9V//OlaaQlF5C+1o5 o0I8kZpdGwJmjErwD8Ofh+gm87NIXpAhkcvhsTeeOWsA3PVxO4buyKtZnAFKnMhK 5iuLn+WgT/c= =SdhU -----END PGP SIGNATURE-----