Detections
Analytics

CVE-2019-20788

critical

Description

libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.

References

https://usn.ubuntu.com/4407-1/

https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed

https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html

https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient

Details

Source: Mitre, NVD

Published: 2020-04-23

Updated: 2022-03-10

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01855