CVE-2020-14400
LibVNCServer Integer Underflow Vulnerability
Description
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary
INFO
Published Date :
June 17, 2020, 4:15 p.m.
Last Modified :
Aug. 4, 2024, 1:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-14400
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-14400.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1860361 | Issue Tracking Patch Third Party Advisory |
| https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d | Patch |
| https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 | Release Notes |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/4434-1/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-14400 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-14400 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Aug. 04, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary. An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary -
Modified Analysis by [email protected]
Feb. 27, 2023
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html Mailing List, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1860361 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1860361 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d Patch, Third Party Advisory https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d Patch Changed Reference Type https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 Release Notes, Third Party Advisory https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 Release Notes Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html Mailing List, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4434-1/ No Types Assigned https://usn.ubuntu.com/4434-1/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* -
CVE Modified by [email protected]
Aug. 29, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 30, 2020
Action Type Old Value New Value Changed Description An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. ** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary. Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1860361 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 28, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4434-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 24, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html [No Types Assigned] -
Modified Analysis by [email protected]
Jul. 23, 2020
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 21, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 18, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 30, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 18, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d No Types Assigned https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d Patch, Third Party Advisory Changed Reference Type https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 No Types Assigned https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 Release Notes, Third Party Advisory Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:* versions up to (excluding) 0.9.13
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-14400 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-14400
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.92 }} 0.24%
score
0.88590
percentile