CVE-2019-3635: MWG Proxy: Cross-Frame Scripting vulnerability

Published Aug 14, 2019
·
Updated

Exfiltration of Data in McAfee Web Gateway (MWG) 7.8.2.x prior to 7.8.2.12 allows attackers to obtain sensitive data via crafting a complex webpage that will trigger the Web Gateway to block the user accessing an iframe.

Affected Software

1 affected component
McAfee Web Gateway>=7.8.2.0<7.8.2.12

Event History

Aug 14, 2019
CVE Published
via MITRE·04:18 PM
Data Sourced
via MITRE·04:18 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2019-3635?

CVE-2019-3635 is a vulnerability in McAfee Web Gateway (MWG) 7.8.2.x prior to 7.8.2.12 that allows attackers to obtain sensitive data via crafting a complex webpage.

2

How does CVE-2019-3635 work?

CVE-2019-3635 works by crafting a complex webpage that triggers the Web Gateway to block the user accessing an iframe, allowing attackers to exfiltrate sensitive data.

3

What is the severity of CVE-2019-3635?

The severity of CVE-2019-3635 is medium with a severity value of 6.5.

4

Which version of McAfee Web Gateway is affected by CVE-2019-3635?

McAfee Web Gateway (MWG) 7.8.2.x prior to 7.8.2.12 is affected by CVE-2019-3635.

5

How can I fix CVE-2019-3635?

To fix CVE-2019-3635, update McAfee Web Gateway to version 7.8.2.12 or newer.

Contact

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