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McAfee - Security Bulletin: Updates fix a potential vulnerability in Window-based products (CVE-2017-4028)
Security Bulletins ID:   SB10193
Last Modified:  4/3/2018
Rated:


Summary

First Published: March 29, 2017

NOTE: This issue also affects McAfee Consumer products, see TS102651.
 
 Impact of Vulnerability:  Code Injection by an attacker with Administrative privileges
 CVE Numbers:  CVE-2017-4028
 Severity Rating:  Medium
 Base / Overall CVSS v3 Scores:  5.0 / 4.7
 Security Bulletin Replacement:  None
 Affected Software:  McAfee Anti-Virus Plus (AVP)
 McAfee Endpoint Security (ENS) 10.2
 McAfee Host Intrusion Prevention (Host IPS) 8.0 Patch 9 or earlier with Host IPS Content older than 8.0.0.7691
 McAfee Internet Security (MIS)
 McAfee Total Protection (MTP)
 McAfee Virus Scan Enterprise (VSE) 8.8 Patch 9 and earlier
 See the McAfee Product Vulnerability Status lists below
 Location of Updated Software:  Corporate products: http://www.mcafee.com/us/downloads/downloads.aspx
 Consumer products: Automatic update for the existing users

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Article contents:

Description

CVE-2017-4028
Maliciously misconfigured registry vulnerability in all Microsoft Windows products in McAfee consumer and corporate products allows an administrator to inject arbitrary code into a debugged McAfee process via manipulation of registry parameters.
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-4028  
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-4028

The issue was reported against Consumer Windows System Security Suites – AVP, MIS, and MTP. This vulnerability allows an attacker with Windows Administrative privileges to change a registry value such that attacker code can be injected into any Windows process.

NOTE: A successful exploitation is possible only after an adversary gains Administrative privileges on the system. Please see "Technical McAfee Detail on DoubleAgent" at: https://securingtomorrow.mcafee.com/business/update-technical-mcafee-detail-doubleagent/.

For further information about Image File Execution Options (IFEO), see "Beware the Image File Execution Options key" at: https://blogs.msdn.microsoft.com/oldnewthing/20051219-11/?p=32923/.
McAfee Product Vulnerability Status
Investigation into all McAfee products is ongoing. This security bulletin will be updated as additional information is available.
 
Vulnerable and Updated
  1. McAfee Anti-Virus Plus (AVP) - resolved in the latest version
  2. McAfee Endpoint Security (ENS) 10.2 - fixed with DAT V3 DAT 2932.0
  3. McAfee Host Intrusion Prevention (Host IPS) - resolved in 8.0 Patch 9 Hotfix 1188590

    NOTES:
    • Self-protection must be enabled if you have Host IPS Content older than 8.0.0.7691 or if Host IPS is disabled.
    • This vulnerability is also resolved for any Host IPS 8.0 Patch level with Host IPS Content 8.0.0.7691 or later and with Host IPS enabled.
       
  4. McAfee Internet Security (MIS) - resolved in the latest version
  5. McAfee Total Protection (MTP) - resolved in the latest version
  6. McAfee Virus Scan Enterprise (VSE) - resolved in 8.8 Patch 8/9 Hotfix 1187884
Not Vulnerable
  1. McAfee Advanced Threat Defense (ATD)
  2. McAfee Endpoint Security (ENS) 10.5
  3. McAfee Threat Intelligence Exchange (TIE)
For a description of each product, see: http://www.mcafee.com/us/apps/products-az.aspx.

Workaround

Please read "Technical McAfee Detail On DoubleAgent" at: https://securingtomorrow.mcafee.com/business/update-technical-mcafee-detail-doubleagent/.

Mitigations

  • For VSE versions earlier than 8.8 Patch 8/9 Hotfix 1187884, see KB89030 for rules that can be added manually to protect VSE fully.
  • For Host IPS versions earlier than 8.0 Patch 9 Hotfix 1188590 with Host IPS Content older than 8.0.0.7691, see KB89032 for custom signatures that can be added manually to protect Host IPS fully.
For information about injection protections and manually creating rules, see KB88085.

Acknowledgements

None.

Frequently Asked Questions (FAQs)

How do I know whether my McAfee product is vulnerable or not?
For Endpoint products:
Use the following instructions for endpoint or client-based products:
  1. Right-click on the McAfee tray shield icon on the Windows taskbar.
  2. Select Open Console.
  3. In the console, select Action Menu.
  4. In the Action Menu, select Product Details. The product version is displayed.
What is CVSS?
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 at: http://www.first.org/cvss/.

When calculating CVSS scores, McAfee has 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 successful exploitation of the issue being scored
 
What are the CVSS scoring metrics that have been used?
 
CVE-2017-4028: Code Injection by an Administrator
 
 Base Score 5.0
 Attack Vector (AV) Local (L)
 Attack Complexity (AC) High (H)
 Privileges Required (PR) High (H)
 User Interaction (UI) Required (R)
 Scope (S) Changed (C)
 Confidentiality (C) None (N)
 Integrity (I) High (H)
 Availability (A) None (N)
 Temporal Score (Overall) 4.7
 Exploitability (E) Functional (F)
 Remediation Level (RL) Official Fix (O)
 Report Confidence (RC) Confirmed (C)

NOTE: The below CVSS version 3.0 vector was used to generate this score.
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C


Where can I find a list of all security bulletins or how do I report a product vulnerability?
To find a list of all security bulletins, or if you have information about a security issue or vulnerability with a McAfee product, visit our product security website at: http://www.mcafee.com/us/threat-center/product-security-bulletins.aspx.

Resources

To contact Technical Support, log on to the ServicePortal and go to the Create a Service Request page at https://support.mcafee.com/ServicePortal/faces/serviceRequests/createSR:
  • 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.

Disclaimer

The information provided in this security bulletin is provided as is without warranty of any kind. McAfee disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall McAfee or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits, or special damages, even if McAfee 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 foregoing 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 cancelled at any time.

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