CVE-2020-25708

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.

Published: Nov 27, 2020
Updated: Apr 14, 2023
CVE: CVE-2020-25708
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

Severity: Medium
Score: 5
AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

CWE-369

Affected Software
References

Software	From	Fixed in
libvncserver_project / libvncserver	0.9.12	0.9.12.x
redhat / enterprise_linux	7.0	7.0.x
redhat / enterprise_linux	6.0	6.0.x
redhat / enterprise_linux	8.0	8.0.x
debian / debian_linux	10.0	10.0.x

https://bugzilla.redhat.com/show_bug.cgi?id=1896739
https://lists.debian.org/debian-lts-announce/2022/09/msg00035.html

Vulnerability Database

CVE-2020-25708

Deep Security Visibility Without the Complexity