Security Bulletin - Endpoint Security Web Control 10.7.0 Update 15 release fixes one vulnerability (CVE-2024-0310)
Security Bulletins ID:
SB10417
Last Modified: 2024-03-08 12:31:07 Etc/GMT
Last Modified: 2024-03-08 12:31:07 Etc/GMT
Summary
First Published: January 10, 2024
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Article contents:
Trellix ENS Web Control unintentionally exposes users to higher risks, including cross-site scripting (XSS) attacks, by downgrading intended website Content Security Policy (CSP) settings.
This update resolves all of the following vulnerabilities.
This feature is delivered through a browser extension in the extension store for your browser. The fix was released to the store prior to the Update being released to allow auto update to remediate the issue prior to this bulletin being published.
Go to the Product Downloads site and download the applicable product update/hotfix files:
Download and Installation Instructions
For instructions to download product updates and hotfixes, see KB56057 - How to download product updates and documentation.
Review the Release Notes and the Installation Guide for instructions on how to install these updates. All documentation is available at the Product Docs site.
Acknowledgments
Trellix credits Brandon Vincent for responsibly reporting this vulnerability.
Frequently Asked Questions (FAQs)
How do I know if my product is vulnerable or not?
For ENS on Windows:
Use the following instructions for endpoint or client-based products:
Use the following instructions for endpoint or client-based products:
Use the following instructions for server-based products:
Use the following instructions for Appliance-based products:
Use the following instructions:
CVSS, or Common Vulnerability Scoring System, is the result of the National Infrastructure Advisory Council's effort to standardize a system of assessing the criticality of a vulnerability. This system offers an unbiased criticality score between 0 and 10 that customers can use to judge how critical a vulnerability is and plan accordingly. For more information, visit the CVSS website.
When calculating CVSS scores, we have adopted a philosophy that fosters consistency and repeatability. Our guiding principle for CVSS scoring is to score the exploit under consideration by itself. We consider only the immediate and direct impact of the exploit under consideration. We do not factor into a score any potential follow-on exploits that might be made possible by the successful exploitation of the issue being scored.
What are the CVSS scoring metrics?
All Security Bulletins are published in our security centre. Security Bulletins are retired (removed) once a product is both End of Sale and End of Support (End of Life).
How do I report a product vulnerability to Trellix or Skyhigh Security?
If you have information about a security issue or vulnerability with a Trellix or Skyhigh Security product, visit the PSIRT website for instructions at KB95563 - Report a vulnerability.
How does Trellix or Skyhigh Security respond to this and any other reported security flaws?
Our key priority is the security of our customers. If a vulnerability is found within any of our software or services, we work closely with the relevant security software development team to ensure the rapid and effective development of a fix and communication plan.
We only publish Security Bulletins if they include something actionable such as a workaround, mitigation, version update, or hotfix. Otherwise, we would simply be informing the hacker community that our products are a target, putting our customers at greater risk. For products that are updated automatically, a non-actionable Security Bulletin might be published to acknowledge the discoverer.
View our PSIRT policy on the Support website at KB95564 - About the Product Security Incident Response Team (PSIRT).
Resources
To contact Technical Support, log on to the ServicePortal and go to the Create a Service Request page:
The information provided in this Security Bulletin is provided as is without warranty of any kind. Trellix/Skyhigh Security disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Trellix/Skyhigh Security or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Trellix/Skyhigh Security or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the preceding limitation may not apply.
Any future product release dates mentioned in this Security Bulletin are intended to outline our general product direction, and they should not be relied on in making a purchasing decision. The product release dates are for information purposes only, and may not be incorporated into any contract. The product release dates are not a commitment, promise, or legal obligation to deliver any material, code, or functionality. The development, release, and timing of any features or functionality described for our products remains at our sole discretion and may be changed or canceled at any time.
| Product | Impacted Versions | CVE ID | Impact of Vulnerabilities | Severity Ratings | CVSS v3.1 Base/Temporal Scores |
| Trellix Endpoint Security (ENS) Web Control | Prior to 10.7.0 Update 15 | CVE-2024-0310 | CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') |
Medium | 6.1 / 5.5 |
| Recommendations | Install or update to the latest versions listed below | ||||
| Security Bulletin Replacement | None | ||||
| Location of updated software | Product Downloads site | ||||
To receive email notification when this Security Bulletin is updated, click Subscribe on the right side of the page. You must be logged on to subscribe.
Article contents:
- Vulnerability Description
- Remediation
- Acknowledgments
- Frequently Asked Questions (FAQs)
- Resources
- Disclaimer
Trellix ENS Web Control unintentionally exposes users to higher risks, including cross-site scripting (XSS) attacks, by downgrading intended website Content Security Policy (CSP) settings.
This update resolves all of the following vulnerabilities.
This feature is delivered through a browser extension in the extension store for your browser. The fix was released to the store prior to the Update being released to allow auto update to remediate the issue prior to this bulletin being published.
- CVE-2024-0310
A content-security-policy vulnerability in ENS Control browser extension prior to 10.7.0 Update 15 allows a remote attacker to alter the response header parameter setting to switch the content security policy into report-only mode, allowing an attacker to bypass the content-security-policy configuration.
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-0310
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-0310
To remediate this issue:
-
Customers on ENS Web Control prior to 10.7.0 Update 15 should update to ENS Control 10.7.0 Update 15.
Auto update of the browser extension is enabled by default and will install it from the extension store.
| Product | Version | Type | Release Date |
| Endpoint Security Windows | 10.7.0 Update 15 | Update | September 20, 2023 |
Download and Installation Instructions
For instructions to download product updates and hotfixes, see KB56057 - How to download product updates and documentation.
Review the Release Notes and the Installation Guide for instructions on how to install these updates. All documentation is available at the Product Docs site.
Acknowledgments
Trellix credits Brandon Vincent for responsibly reporting this vulnerability.
Frequently Asked Questions (FAQs)
How do I know if my product is vulnerable or not?
For ENS on Windows:
Use the following instructions for endpoint or client-based products:
- Right-click the Trellix tray shield icon on the Windows taskbar.
- Select Endpoint Security.
- In the console, select Action Menu.
- In the Action Menu, select About. The product version displays.
Use the following instructions for endpoint or client-based products:
- Right-click the Trellix tray shield icon on the Windows taskbar.
- Select Open Console.
- In the console, select Action Menu.
- In the Action Menu, select Product Details. The product version displays.
Use the following instructions for server-based products:
- Check the version and build of ePO that is installed. For instructions, see KB52634 - How to determine what hotfix is installed for ePO 5.9.x.
- Create a query in ePO for the product version of the product installed within your organization.
Use the following instructions for Appliance-based products:
- Open the Administrator's User Interface (UI).
- Click the About link. The product version displays.
Use the following instructions:
- Log on to the ePO server.
- Click Menu, Data Protection, DLP Policy.
- Inside the DLP console click Help, About. The product version displays.
CVSS, or Common Vulnerability Scoring System, is the result of the National Infrastructure Advisory Council's effort to standardize a system of assessing the criticality of a vulnerability. This system offers an unbiased criticality score between 0 and 10 that customers can use to judge how critical a vulnerability is and plan accordingly. For more information, visit the CVSS website.
When calculating CVSS scores, we have adopted a philosophy that fosters consistency and repeatability. Our guiding principle for CVSS scoring is to score the exploit under consideration by itself. We consider only the immediate and direct impact of the exploit under consideration. We do not factor into a score any potential follow-on exploits that might be made possible by the successful exploitation of the issue being scored.
What are the CVSS scoring metrics?
- CVE-2024-0310: Content Security Policy Vulnerability in ENS Web Control
Base Score 6.1 Attack Vector (AV) Network (N) Attack Complexity (AC) Low (L) Privileges Required (PR) None (N) User Interaction (UI) Required (R) Scope (S) Changed (C) Confidentiality (C) Low (L) Integrity (I) Low (L) Availability (A) None (N) Temporal Score (Overall) 5.5 Exploitability (E) Proof-of-Concept (P) Remediation Level (RL) Official Fix (O) Report Confidence (RC) Confirmed (C)
NOTE: The below CVSS version 3.1 vector was used to generate this score.
https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C&version=3.1
All Security Bulletins are published in our security centre. Security Bulletins are retired (removed) once a product is both End of Sale and End of Support (End of Life).
How do I report a product vulnerability to Trellix or Skyhigh Security?
If you have information about a security issue or vulnerability with a Trellix or Skyhigh Security product, visit the PSIRT website for instructions at KB95563 - Report a vulnerability.
How does Trellix or Skyhigh Security respond to this and any other reported security flaws?
Our key priority is the security of our customers. If a vulnerability is found within any of our software or services, we work closely with the relevant security software development team to ensure the rapid and effective development of a fix and communication plan.
We only publish Security Bulletins if they include something actionable such as a workaround, mitigation, version update, or hotfix. Otherwise, we would simply be informing the hacker community that our products are a target, putting our customers at greater risk. For products that are updated automatically, a non-actionable Security Bulletin might be published to acknowledge the discoverer.
View our PSIRT policy on the Support website at KB95564 - About the Product Security Incident Response Team (PSIRT).
Resources
To contact Technical Support, log on to the ServicePortal and go to the Create a Service Request page:
- If you are a registered user, type your User ID and Password, and then click Log In.
- If you are not a registered user, click Register and complete the required fields. Your password and logon instructions will be emailed to you.
The information provided in this Security Bulletin is provided as is without warranty of any kind. Trellix/Skyhigh Security disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Trellix/Skyhigh Security or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Trellix/Skyhigh Security or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the preceding limitation may not apply.
Any future product release dates mentioned in this Security Bulletin are intended to outline our general product direction, and they should not be relied on in making a purchasing decision. The product release dates are for information purposes only, and may not be incorporated into any contract. The product release dates are not a commitment, promise, or legal obligation to deliver any material, code, or functionality. The development, release, and timing of any features or functionality described for our products remains at our sole discretion and may be changed or canceled at any time.
