CVE-2017-5450: Input Validation

Published Apr 19, 2017
·
Updated

A mechanism to spoof the Firefox for Android addressbar using a "javascript:" URI. On Firefox for Android, the base domain is parsed incorrectly, making the resulting location less visibly a spoofed site and showing an incorrect domain in appended notifications. This vulnerability affects Firefox < 53.

Other sources

A mechanism to spoof the Firefox for Android addressbar using a javascript: URI. On Firefox for Android, the base domain is parsed incorrectly, making the resulting location less visibly a spoofed site and showing an incorrect domain in appended notifications.

Affected Software

2 affected componentsFixes available
Mozilla Firefox<53
53
Mozilla Firefox<53.0

Event History

Apr 19, 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.

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Frequently Asked Questions

1

What is the severity of CVE-2017-5450?

CVE-2017-5450 has been classified as a moderate severity vulnerability.

2

How do I fix CVE-2017-5450?

To fix CVE-2017-5450, upgrade to Mozilla Firefox version 54 or later.

3

What does CVE-2017-5450 affect?

CVE-2017-5450 specifically affects Firefox for Android versions prior to 54.

4

What is the impact of CVE-2017-5450?

CVE-2017-5450 allows attackers to spoof the address bar, potentially misleading users about the true source of a website.

5

Is CVE-2017-5450 a persistent vulnerability?

CVE-2017-5450 is not persistent, as it requires user interaction to trigger the spoofing mechanism.

Contact

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