openSUSE Security Update: Security update for tigervnc ______________________________________________________________________________ Announcement ID: openSUSE-SU-2020:0087-1 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: openSUSE Leap 15.1 ______________________________________________________________________________ An update that fixes 5 vulnerabilities is now available. Description: 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). This update was imported from the SUSE:SLE-15-SP1:Update update project. Patch Instructions: To install this openSUSE 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: - openSUSE Leap 15.1: zypper in -t patch openSUSE-2020-87=1 Package List: - openSUSE Leap 15.1 (noarch): tigervnc-x11vnc-1.9.0-lp151.4.3.1 xorg-x11-Xvnc-java-1.9.0-lp151.4.3.1 xorg-x11-Xvnc-novnc-1.9.0-lp151.4.3.1 - openSUSE Leap 15.1 (x86_64): libXvnc-devel-1.9.0-lp151.4.3.1 libXvnc1-1.9.0-lp151.4.3.1 libXvnc1-debuginfo-1.9.0-lp151.4.3.1 tigervnc-1.9.0-lp151.4.3.1 tigervnc-debuginfo-1.9.0-lp151.4.3.1 tigervnc-debugsource-1.9.0-lp151.4.3.1 xorg-x11-Xvnc-1.9.0-lp151.4.3.1 xorg-x11-Xvnc-debuginfo-1.9.0-lp151.4.3.1 xorg-x11-Xvnc-module-1.9.0-lp151.4.3.1 xorg-x11-Xvnc-module-debuginfo-1.9.0-lp151.4.3.1 References: https://www.suse.com/security/cve/CVE-2019-15691.html https://www.suse.com/security/cve/CVE-2019-15692.html https://www.suse.com/security/cve/CVE-2019-15693.html https://www.suse.com/security/cve/CVE-2019-15694.html https://www.suse.com/security/cve/CVE-2019-15695.html https://bugzilla.suse.com/1159856 https://bugzilla.suse.com/1159858 https://bugzilla.suse.com/1159860 https://bugzilla.suse.com/1160250 https://bugzilla.suse.com/1160251