Executive Summary
Summary | |
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Title | novnc security update |
Informations | |||
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Name | RHSA-2020:0754 | First vendor Publication | 2020-03-10 |
Vendor | RedHat | Last vendor Modification | 2020-03-10 |
Severity (Vendor) | N/A | Revision | 01 |
Security-Database Scoring CVSS v3
Cvss vector : N/A | |||
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Overall CVSS Score | NA | ||
Base Score | NA | Environmental Score | NA |
impact SubScore | NA | Temporal Score | NA |
Exploitabality Sub Score | NA | ||
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:N) | |||
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Cvss Base Score | 4.3 | Attack Range | Network |
Cvss Impact Score | 2.9 | Attack Complexity | Medium |
Cvss Expoit Score | 8.6 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
Problem Description: An updated novnc package that fixes one security issue is now available for Red Hat Enterprise Linux OpenStack Platform 13.0. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. 2. Relevant releases/architectures: Red Hat OpenStack Platform 13.0 - noarch Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Server - noarch 3. Description: The novnc package provides a VNC client that uses HTML5 (Web Sockets, Canvas) and includes encryption support. An XSS vulnerability was discovered in noVNC in which arbitrary HTML could be injected into the noVNC web page. An attacker having access to a VNC server could use target host values in a crafted URL to gain access to secure information (such as VM tokens). (CVE-2017-18635) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1484711 - [OSP13] rebase novnc to 1.1.0 1765660 - CVE-2017-18635 novnc: XSS vulnerability via the messages propagated to the status field |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2020-0754.html |
CWE : Common Weakness Enumeration
% | Id | Name |
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100 % | CWE-79 | Failure to Preserve Web Page Structure ('Cross-site Scripting') (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Type | Description | Count |
---|---|---|
Application | 1 | |
Application | 1 | |
Os | 1 | |
Os | 2 |
Alert History
Date | Informations |
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2020-03-19 13:20:05 |
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