Security update for LibVNCServer SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2020:14424-1 Final 1 1 2020-07-17T12:21:12Z current 2020-07-17T12:21:12Z 2020-07-17T12:21:12Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for LibVNCServer This update for LibVNCServer fixes the following issues: - security update - added patches 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 The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). sleposp3-LibVNCServer-14424,slessp4-LibVNCServer-14424 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-202014424-1/ Link for SUSE-SU-2020:14424-1 https://lists.suse.com/pipermail/sle-security-updates/2020-July/007150.html E-Mail link for SUSE-SU-2020:14424-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1173691 SUSE Bug 1173691 https://bugzilla.suse.com/1173694 SUSE Bug 1173694 https://bugzilla.suse.com/1173700 SUSE Bug 1173700 https://bugzilla.suse.com/1173701 SUSE Bug 1173701 https://bugzilla.suse.com/1173743 SUSE Bug 1173743 https://bugzilla.suse.com/1173880 SUSE Bug 1173880 https://www.suse.com/security/cve/CVE-2020-14397/ SUSE CVE CVE-2020-14397 page https://www.suse.com/security/cve/CVE-2020-14398/ SUSE CVE CVE-2020-14398 page https://www.suse.com/security/cve/CVE-2020-14399/ SUSE CVE CVE-2020-14399 page https://www.suse.com/security/cve/CVE-2020-14400/ SUSE CVE CVE-2020-14400 page https://www.suse.com/security/cve/CVE-2020-14401/ SUSE CVE CVE-2020-14401 page https://www.suse.com/security/cve/CVE-2020-14402/ SUSE CVE CVE-2020-14402 page SUSE Linux Enterprise Point of Sale 11 SP3 SUSE Linux Enterprise Server 11 SP4-LTSS LibVNCServer-0.9.1-160.19.1 LibVNCServer-0.9.1-160.19.1 as a component of SUSE Linux Enterprise Point of Sale 11 SP3 LibVNCServer-0.9.1-160.19.1 as a component of SUSE Linux Enterprise Server 11 SP4-LTSS An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference. CVE-2020-14397 SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1 SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1 important 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-202014424-1/ https://www.suse.com/security/cve/CVE-2020-14397.html CVE-2020-14397 https://bugzilla.suse.com/1173477 SUSE Bug 1173477 https://bugzilla.suse.com/1173700 SUSE Bug 1173700 An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c. CVE-2020-14398 SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1 SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1 important 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-202014424-1/ https://www.suse.com/security/cve/CVE-2020-14398.html CVE-2020-14398 https://bugzilla.suse.com/1173477 SUSE Bug 1173477 https://bugzilla.suse.com/1173880 SUSE Bug 1173880 ** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed." CVE-2020-14399 SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1 SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1 important 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-202014424-1/ https://www.suse.com/security/cve/CVE-2020-14399.html CVE-2020-14399 https://bugzilla.suse.com/1173477 SUSE Bug 1173477 https://bugzilla.suse.com/1173743 SUSE Bug 1173743 ** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary. CVE-2020-14400 SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1 SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1 important 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-202014424-1/ https://www.suse.com/security/cve/CVE-2020-14400.html CVE-2020-14400 https://bugzilla.suse.com/1173477 SUSE Bug 1173477 https://bugzilla.suse.com/1173691 SUSE Bug 1173691 An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow. CVE-2020-14401 SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1 SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1 important 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-202014424-1/ https://www.suse.com/security/cve/CVE-2020-14401.html CVE-2020-14401 https://bugzilla.suse.com/1173477 SUSE Bug 1173477 https://bugzilla.suse.com/1173694 SUSE Bug 1173694 An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings. CVE-2020-14402 SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1 SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1 important 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-202014424-1/ https://www.suse.com/security/cve/CVE-2020-14402.html CVE-2020-14402 https://bugzilla.suse.com/1173477 SUSE Bug 1173477 https://bugzilla.suse.com/1173701 SUSE Bug 1173701