CVE-2020-14401

moderate-risk

Published 2020-06-17

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.

Do I need to act?

1.6% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.5/10 Medium

NETWORK / LOW complexity

Libvncserver

Debian Linux

Leap

Simatic Itc1500 Firmware

Simatic Itc1500 Pro Firmware

Simatic Itc1900 Firmware

Simatic Itc1900 Pro Firmware

Simatic Itc2200 Firmware

Simatic Itc2200 Pro Firmware

Debian Siemens Opensuse Libvncserver Project

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html

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

Patch https://github.com/LibVNC/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170...

Release Notes https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServe...

Mailing List https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html

Mailing List https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html

Third Party Advisory https://usn.ubuntu.com/4434-1/