CVE-2020-14405

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

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/LibVNC/libvncserver/commit/8937203441ee241c4ace85da687b7d6633a12365	Patch Third Party Advisory
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13	Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/4434-1/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf

Configurations

Configuration 1 (hide)

cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2020-06-17 16:15

Updated : 2021-12-14 14:15

NVD link : CVE-2020-14405

Mitre link : CVE-2020-14405

JSON object : View

Products Affected

libvncserver_project

libvncserver

debian

debian_linux

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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