CVE-2019-3638 : Security Advisory and Response
Learn about CVE-2019-3638 affecting McAfee Web Gateway (MWG) 7.8.x before 7.8.2.13. Understand the impact, vulnerability description, affected systems, and mitigation steps.
McAfee Web Gateway (MWG) 7.8.x before 7.8.2.13 is vulnerable to Reflected Cross Site Scripting, allowing remote attackers to exploit the administrator's credentials.
Understanding CVE-2019-3638
McAfee Web Gateway (MWG) is susceptible to a Reflected Cross Site Scripting vulnerability, impacting versions prior to 7.8.2.13.
What is CVE-2019-3638?
The vulnerability in the Administrators web console of McAfee Web Gateway (MWG) 7.8.x before 7.8.2.13 enables attackers to execute commands or gather sensitive data using the administrator's credentials by tricking them into clicking on a malicious link.
The Impact of CVE-2019-3638
- CVSS Base Score: 8.1 (High Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- User Interaction: Required
- Privileges Required: None
- Scope: Unchanged
- Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Technical Details of CVE-2019-3638
McAfee Web Gateway (MWG) is affected by a Reflected Cross Site Scripting vulnerability.
Vulnerability Description
The vulnerability in the Administrators web console of McAfee Web Gateway (MWG) 7.8.x before 7.8.2.13 allows remote attackers to collect sensitive information or execute commands using the administrator's credentials.
Affected Systems and Versions
- Product: Web Gateway(MWG)
- Vendor: McAfee
- Affected Versions: < 7.8.2.13
Exploitation Mechanism
Attackers can exploit this vulnerability by deceiving the administrator into clicking on a carefully crafted malicious link.
Mitigation and Prevention
To address CVE-2019-3638, follow these steps:
Immediate Steps to Take
- Update McAfee Web Gateway to version 7.8.2.13 or later.
- Educate administrators about phishing attacks and suspicious links.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct security training for all employees to enhance awareness.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of exploitation.