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CVE-2020-25708

Description

A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.

Risk Information

Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.784

Associated Vulnerability

VulnerabilityOS Platform
VNC server for GNOME (USN-4636-1) vino_3.8.1-0ubuntu9.4_i386.debLinux
VNC server for GNOME (USN-4636-1) vino_3.8.1-0ubuntu9.4_amd64.debLinux
VNC server for GNOME (USN-4636-1) vino_3.22.0-3ubuntu1.2_i386.debLinux
VNC server for GNOME (USN-4636-1) vino_3.22.0-3ubuntu1.2_amd64.debLinux
VNC server for GNOME (USN-4636-1) vino_3.22.0-5ubuntu2.2_amd64.debLinux
VNC server for GNOME (USN-4636-1) vino_3.22.0-6ubuntu2.1_amd64.debLinux
VNC server for GNOME (USN-4636-1) libvncclient1_0.9.11+dfsg-1ubuntu1.4_i386.debLinux
VNC server for GNOME (USN-4636-1) libvncclient1_0.9.11+dfsg-1ubuntu1.4_amd64.debLinux
VNC server for GNOME (USN-4636-1) libvncclient1_0.9.12+dfsg-9ubuntu0.3_i386.debLinux
VNC server for GNOME (USN-4636-1) libvncclient1_0.9.12+dfsg-9ubuntu0.3_amd64.debLinux
VNC server for GNOME (USN-4636-1) libvncclient1_0.9.10+dfsg-3ubuntu0.16.04.6_i386.debLinux
VNC server for GNOME (USN-4636-1) libvncclient1_0.9.10+dfsg-3ubuntu0.16.04.6_amd64.debLinux
VNC server for GNOME (USN-4636-1) libvncserver1_0.9.11+dfsg-1ubuntu1.4_i386.debLinux
VNC server for GNOME (USN-4636-1) libvncserver1_0.9.11+dfsg-1ubuntu1.4_amd64.debLinux
VNC server for GNOME (USN-4636-1) libvncserver1_0.9.12+dfsg-9ubuntu0.3_i386.debLinux
VNC server for GNOME (USN-4636-1) libvncserver1_0.9.12+dfsg-9ubuntu0.3_amd64.debLinux
VNC server for GNOME (USN-4636-1) libvncserver1_0.9.10+dfsg-3ubuntu0.16.04.6_i386.debLinux
VNC server for GNOME (USN-4636-1) libvncserver1_0.9.10+dfsg-3ubuntu0.16.04.6_amd64.debLinux
SUSE-SU-2020:3550-1(SUSE Linux Enterprise Server 12-SP5 ) libvncclient0-0.9.9-17.34.1.x86_64.rpmLinux
SUSE-SU-2020:3550-1(SUSE Linux Enterprise Server 12-SP5 ) libvncclient0-debuginfo-0.9.9-17.34.1.x86_64.rpmLinux
SUSE-SU-2020:3550-1(SUSE Linux Enterprise Server 12-SP5 ) LibVNCServer-debugsource-0.9.9-17.34.1.x86_64.rpmLinux
SUSE-SU-2020:3550-1(SUSE Linux Enterprise Server 12-SP5 ) libvncserver0-0.9.9-17.34.1.x86_64.rpmLinux
SUSE-SU-2020:3550-1(SUSE Linux Enterprise Server 12-SP5 ) libvncserver0-debuginfo-0.9.9-17.34.1.x86_64.rpmLinux
(RHSA-2021:1811) libvncserver security update libvncserver-0.9.11-17.el8.i686.rpmLinux
(RHSA-2021:1811) libvncserver security update libvncserver-0.9.11-17.el8.x86_64.rpmLinux
(RHSA-2021:1811) libvncserver security update libvncserver-debugsource-0.9.11-17.el8.i686.rpmLinux
(RHSA-2021:1811) libvncserver security update libvncserver-debugsource-0.9.11-17.el8.x86_64.rpmLinux
(RHSA-2021:1811)Moderate: security update libvncserver-debuginfo-0.9.11-17.el8.i686.rpmLinux
(RHSA-2021:1811)Moderate: security update libvncserver-debuginfo-0.9.11-17.el8.x86_64.rpmLinux
libvncserver security update (RLSA-2021:1811) libvncserver-0.9.11-17.el8.i686.rpmLinux
libvncserver security update (RLSA-2021:1811) libvncserver-0.9.11-17.el8.x86_64.rpmLinux
Libvncserver update (ELSA-2021-1811) libvncserver-0.9.11-17.el8.i686.rpmLinux
Libvncserver update (ELSA-2021-1811) libvncserver-0.9.11-17.el8.x86_64.rpmLinux
Moderate: libvncserver security update libvncserver-0.9.11-17.el8.i686.rpmLinux
Moderate: libvncserver security update libvncserver-0.9.11-17.el8.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234