CVE-2017-7799: XSS

Published Aug 8, 2017
·
Updated

JavaScript in the "about:webrtc" page is not sanitized properly being assigned to "innerHTML". Data on this page is supplied by WebRTC usage and is not under third-party control, making this difficult to exploit, but the vulnerability could possibly be used for a cross-site scripting (XSS) attack. This vulnerability affects Firefox < 55.

Other sources

JavaScript in the about:webrtc page is not sanitized properly being assigned to innerHTML. Data on this page is supplied by WebRTC usage and is not under third-party control, making this difficult to exploit, but the vulnerability could possibly be used for a cross-site scripting (XSS) attack.

Affected Software

2 affected componentsFixes available
Mozilla Firefox<55
55
Mozilla Firefox<55.0

Event History

Aug 8, 2017
CVE Published
12:00 AM
Jun 11, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2017-7799?

CVE-2017-7799 has a low severity rating due to the difficulty of exploitation.

2

How do I fix CVE-2017-7799?

To fix CVE-2017-7799, upgrade to Mozilla Firefox version 55 or later.

3

Which versions of Firefox are affected by CVE-2017-7799?

CVE-2017-7799 affects Mozilla Firefox versions prior to 55.

4

Can CVE-2017-7799 lead to a successful XSS attack?

CVE-2017-7799 could potentially be exploited for a cross-site scripting (XSS) attack, although it is considered difficult.

5

What component is vulnerable in CVE-2017-7799?

The vulnerability in CVE-2017-7799 is related to improper sanitization of JavaScript in the 'about:webrtc' page.

Contact

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