CVE-2017-18635
noVNC stored XSS
Description
An XSS vulnerability was discovered in noVNC before 0.6.2 in which the remote VNC server could inject arbitrary HTML into the noVNC web page via the messages propagated to the status field, such as the VNC server name.
INFO
Published Date :
Sept. 25, 2019, 11:15 p.m.
Last Modified :
April 6, 2022, 5:54 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2017-18635 has a 4 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2017-18635
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-2017-18635.
| URL | Resource |
|---|---|
| https://access.redhat.com/errata/RHSA-2020:0754 | Third Party Advisory |
| https://bugs.launchpad.net/horizon/+bug/1656435 | Issue Tracking Third Party Advisory |
| https://github.com/ShielderSec/cve-2017-18635 | Third Party Advisory |
| https://github.com/novnc/noVNC/commit/6048299a138e078aed210f163111698c8c526a13#diff-286f7dc7b881e942e97cd50c10898f03L534 | Patch Third Party Advisory |
| https://github.com/novnc/noVNC/issues/748 | Patch Third Party Advisory |
| https://github.com/novnc/noVNC/releases/tag/v0.6.2 | Release Notes Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/10/msg00004.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/12/msg00024.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/4522-1/ | Third Party Advisory |
| https://www.shielder.it/blog/exploiting-an-old-novnc-xss-cve-2017-18635-in-openstack/ | Exploit 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).
Shielder's public proof of concepts collection
Python
2019年天融信阿尔法实验室在微信公众号发布的所有安全资讯汇总
None
Makefile JavaScript CSS HTML Perl Python Shell
PoC for CVE-2017-18635
novnc exploit xss poc
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-18635 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-18635 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]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 06, 2022
Action Type Old Value New Value Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0754 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0754 Third Party Advisory Changed Reference Type https://github.com/ShielderSec/cve-2017-18635 No Types Assigned https://github.com/ShielderSec/cve-2017-18635 Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/10/msg00004.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/10/msg00004.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/12/msg00024.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/12/msg00024.html Mailing List, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4522-1/ No Types Assigned https://usn.ubuntu.com/4522-1/ Third Party Advisory Changed Reference Type https://www.shielder.it/blog/exploiting-an-old-novnc-xss-cve-2017-18635-in-openstack/ No Types Assigned https://www.shielder.it/blog/exploiting-an-old-novnc-xss-cve-2017-18635-in-openstack/ Exploit, Third Party Advisory Added CPE Configuration 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:*:*:* Added CPE Configuration OR *cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 28, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/12/msg00024.html [No Types Assigned] -
CVE Modified by [email protected]
Sep. 22, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4522-1/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 11, 2020
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2020:0754 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 21, 2019
Action Type Old Value New Value Added Reference https://www.shielder.it/blog/exploiting-an-old-novnc-xss-cve-2017-18635-in-openstack/ [No Types Assigned] Added Reference https://github.com/ShielderSec/cve-2017-18635 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 05, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/10/msg00004.html [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 26, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://bugs.launchpad.net/horizon/+bug/1656435 No Types Assigned https://bugs.launchpad.net/horizon/+bug/1656435 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/novnc/noVNC/commit/6048299a138e078aed210f163111698c8c526a13#diff-286f7dc7b881e942e97cd50c10898f03L534 No Types Assigned https://github.com/novnc/noVNC/commit/6048299a138e078aed210f163111698c8c526a13#diff-286f7dc7b881e942e97cd50c10898f03L534 Patch, Third Party Advisory Changed Reference Type https://github.com/novnc/noVNC/issues/748 No Types Assigned https://github.com/novnc/noVNC/issues/748 Patch, Third Party Advisory Changed Reference Type https://github.com/novnc/noVNC/releases/tag/v0.6.2 No Types Assigned https://github.com/novnc/noVNC/releases/tag/v0.6.2 Release Notes, Third Party Advisory Added CWE CWE-79 Added CPE Configuration OR *cpe:2.3:a:novnc:novnc:*:*:*:*:*:*:*:* versions up to (excluding) 0.6.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-18635 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-2017-18635
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.32 }} -0.04%
score
0.70675
percentile