Test ID:	1.3.6.1.4.1.25623.1.1.12.2020.4522.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4522-1)
Summary:	The remote host is missing an update for the 'novnc' package(s) announced via the USN-4522-1 advisory.
Description:	Summary: The remote host is missing an update for the 'novnc' package(s) announced via the USN-4522-1 advisory. Vulnerability Insight: It was discovered that noVNC did not properly manage certain messages, resulting in the remote VNC server injecting arbitrary HTML into the noVNC web page. An attacker could use this issue to conduct cross-site scripting (XSS) attacks. (CVE-2017-18635) Affected Software/OS: 'novnc' package(s) on Ubuntu 16.04. Solution: Please install the updated package(s). CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2017-18635 https://bugs.launchpad.net/horizon/+bug/1656435 https://github.com/ShielderSec/cve-2017-18635 https://github.com/novnc/noVNC/commit/6048299a138e078aed210f163111698c8c526a13#diff-286f7dc7b881e942e97cd50c10898f03L534 https://github.com/novnc/noVNC/issues/748 https://github.com/novnc/noVNC/releases/tag/v0.6.2 https://www.shielder.it/blog/exploiting-an-old-novnc-xss-cve-2017-18635-in-openstack/ https://lists.debian.org/debian-lts-announce/2019/10/msg00004.html https://lists.debian.org/debian-lts-announce/2021/12/msg00024.html RedHat Security Advisories: RHSA-2020:0754 https://access.redhat.com/errata/RHSA-2020:0754 https://usn.ubuntu.com/4522-1/
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