CVE-2019-20788

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/23/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

canonical:ubuntu_linuxdebian:debian_linuxlibvnc_project:libvncserversiemens:simatic_itc1500siemens:simatic_itc1500_firmwaresiemens:simatic_itc1500_prosiemens:simatic_itc1500_pro_firmwaresiemens:simatic_itc1900siemens:simatic_itc1900_firmwaresiemens:simatic_itc1900_prosiemens:simatic_itc1900_pro_firmwaresiemens:simatic_itc2200siemens:simatic_itc2200_firmwaresiemens:simatic_itc2200_prosiemens:simatic_itc2200_pro_firmware

Weaknesses (CWE)

CWE-190CWE-787

References

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html(cve@mitre.org)

https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf(cve@mitre.org)

https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed(cve@mitre.org)

https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient(cve@mitre.org)

https://usn.ubuntu.com/4407-1/(cve@mitre.org)

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html(af854a3a-2127-422b-91ae-364da2661108)

https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed(af854a3a-2127-422b-91ae-364da2661108)

https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4407-1/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.