CVE-2020-14405

MEDIUM

Libvncserver < 0.9.12 - Resource Allocation Without Limits

Title source: rule
STIX 2.1

Description

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.

References (6)

Core 6
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4434-1/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
Patch, Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf

Scores

CVSS v3 6.5
EPSS 0.0145
EPSS Percentile 80.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-770
Status published
Products (13)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04 (2 CPE variants)
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
debian/debian_linux 9.0
libvnc_project/libvncserver < 0.9.12
siemens/simatic_itc1500_firmware 3.0.0.0 - 3.2.1.0
siemens/simatic_itc1500_pro_firmware 3.0.0.0 - 3.2.1.0
siemens/simatic_itc1900_firmware 3.0.0.0 - 3.2.1.0
... and 3 more
Published Jun 17, 2020
Tracked Since Feb 18, 2026