CVE-2020-14397

high-risk

Published 2020-06-17

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.

Do I need to act?

4.4% 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 7.5/10 High

NETWORK / LOW complexity

Affected Products (16)

Libvncserver

Ubuntu Linux

Debian Linux

Simatic Itc1500 Firmware

Simatic Itc1500 Pro Firmware

Simatic Itc1900 Firmware

Simatic Itc1900 Pro Firmware

Simatic Itc2200 Firmware

Simatic Itc2200 Pro Firmware

Leap

Affected Vendors

Debian Siemens Canonical Opensuse Libvnc Project

References (20)

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/38e98ee61d74f5f5ab4aa4c77146faad19...

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/

Third Party Advisory https://usn.ubuntu.com/4573-1/