openSUSE Security Update: Security update for LibVNCServer ______________________________________________________________________________ Announcement ID: openSUSE-SU-2020:1056-1 Rating: important References: #1173477 #1173691 #1173694 #1173700 #1173701 #1173743 #1173874 #1173875 #1173876 #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 Affected Products: openSUSE Leap 15.2 ______________________________________________________________________________ An update that fixes 10 vulnerabilities is now available. Description: This update for LibVNCServer fixes the following issues: - security update - added patches fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak + LibVNCServer-CVE-2018-21247.patch fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock() + LibVNCServer-CVE-2019-20839.patch fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service + LibVNCServer-CVE-2019-20840.patch fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c + LibVNCServer-CVE-2020-14398.patch fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c + LibVNCServer-CVE-2020-14397.patch fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. + LibVNCServer-CVE-2020-14399.patch fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. + LibVNCServer-CVE-2020-14400.patch fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c + LibVNCServer-CVE-2020-14401.patch fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings. + LibVNCServer-CVE-2020-14402,14403,14404.patch fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite This update was imported from the SUSE:SLE-15: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 15.2: zypper in -t patch openSUSE-2020-1056=1 Package List: - openSUSE Leap 15.2 (i586 x86_64): LibVNCServer-debugsource-0.9.10-lp152.9.4.2 LibVNCServer-devel-0.9.10-lp152.9.4.2 libvncclient0-0.9.10-lp152.9.4.2 libvncclient0-debuginfo-0.9.10-lp152.9.4.2 libvncserver0-0.9.10-lp152.9.4.2 libvncserver0-debuginfo-0.9.10-lp152.9.4.2 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://bugzilla.suse.com/1173477 https://bugzilla.suse.com/1173691 https://bugzilla.suse.com/1173694 https://bugzilla.suse.com/1173700 https://bugzilla.suse.com/1173701 https://bugzilla.suse.com/1173743 https://bugzilla.suse.com/1173874 https://bugzilla.suse.com/1173875 https://bugzilla.suse.com/1173876 https://bugzilla.suse.com/1173880 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org