Bugzilla – Bug 1178682
VUL-0: CVE-2020-25708: LibVNCServer: libvncserver/rfbserver.c has a divide by zero which could result in DoS
Last modified: 2021-09-17 10:41:03 UTC
rh#1896739 An issue was discovered in libvncserver-0.9.12. There is a divide by zero in rfbSendRectEncodingRaw function in libvncserver/rfbserver.c. Attackers can launch a denial of service attack by sending a special message to the VNC server. References: https://bugzilla.redhat.com/show_bug.cgi?id=1896739 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-25708 https://github.com/LibVNC/libvncserver/issues/409 https://github.com/LibVNC/libvncserver/commit/673c07a75ed844d74676f3ccdcfdc706a7052dba
tracking as affected: SUSE:SLE-11:Update/LibVNCServer SUSE:SLE-12:Update/LibVNCServer SUSE:SLE-15:Update/LibVNCServer
Package submitted for 15,12,11/LibVNCServer. I believe all fixed.
SUSE-SU-2020:3515-1: An update that fixes one vulnerability is now available. Category: security (important) Bug References: 1178682 CVE References: CVE-2020-25708 JIRA References: Sources used: SUSE Linux Enterprise Workstation Extension 15-SP2 (src): LibVNCServer-0.9.10-4.25.1 SUSE Linux Enterprise Workstation Extension 15-SP1 (src): LibVNCServer-0.9.10-4.25.1 SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2 (src): LibVNCServer-0.9.10-4.25.1 SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1 (src): LibVNCServer-0.9.10-4.25.1 NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
openSUSE-SU-2020:2025-1: An update that fixes one vulnerability is now available. Category: security (important) Bug References: 1178682 CVE References: CVE-2020-25708 JIRA References: Sources used: openSUSE Leap 15.2 (src): LibVNCServer-0.9.10-lp152.9.8.1
SUSE-SU-2020:14549-1: An update that fixes one vulnerability is now available. Category: security (important) Bug References: 1178682 CVE References: CVE-2020-25708 JIRA References: Sources used: SUSE Linux Enterprise Server 11-SP4-LTSS (src): LibVNCServer-0.9.1-160.22.1 SUSE Linux Enterprise Point of Sale 11-SP3 (src): LibVNCServer-0.9.1-160.22.1 SUSE Linux Enterprise Debuginfo 11-SP4 (src): LibVNCServer-0.9.1-160.22.1 SUSE Linux Enterprise Debuginfo 11-SP3 (src): LibVNCServer-0.9.1-160.22.1 NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
SUSE-SU-2020:3550-1: An update that fixes one vulnerability is now available. Category: security (important) Bug References: 1178682 CVE References: CVE-2020-25708 JIRA References: Sources used: SUSE OpenStack Cloud Crowbar 9 (src): LibVNCServer-0.9.9-17.34.1 SUSE OpenStack Cloud Crowbar 8 (src): LibVNCServer-0.9.9-17.34.1 SUSE OpenStack Cloud 9 (src): LibVNCServer-0.9.9-17.34.1 SUSE OpenStack Cloud 8 (src): LibVNCServer-0.9.9-17.34.1 SUSE OpenStack Cloud 7 (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Software Development Kit 12-SP5 (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server for SAP 12-SP4 (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server for SAP 12-SP3 (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server for SAP 12-SP2 (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server 12-SP5 (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server 12-SP4-LTSS (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server 12-SP3-LTSS (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server 12-SP3-BCL (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server 12-SP2-LTSS (src): LibVNCServer-0.9.9-17.34.1 SUSE Linux Enterprise Server 12-SP2-BCL (src): LibVNCServer-0.9.9-17.34.1 SUSE Enterprise Storage 5 (src): LibVNCServer-0.9.9-17.34.1 HPE Helion Openstack 8 (src): LibVNCServer-0.9.9-17.34.1 NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
openSUSE-SU-2020:2097-1: An update that fixes one vulnerability is now available. Category: security (important) Bug References: 1178682 CVE References: CVE-2020-25708 JIRA References: Sources used: openSUSE Leap 15.1 (src): LibVNCServer-0.9.10-lp151.7.12.1
DONE
This is an autogenerated message for OBS integration: This bug (1178682) was mentioned in https://build.opensuse.org/request/show/919689 Factory / LibVNCServer