CVE-2020-26975: Medium severity firefox vulnerability

Published Dec 15, 2020
·
Updated

When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as abusing ambient authority or session fixation. This was resolved by only allowing certain safe-listed headers. Note: This issue only affected Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox < 84.

Other sources

When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as abusing ambient authority or session fixation. This was resolved by only allowing certain safe-listed headers.Note: This issue only affected Firefox for Android. Other operating systems are unaffected.

Mozilla

Affected Software

2 affected componentsFixes available
Mozilla Firefox<84
84
Mozilla Firefox Android<84.0

Event History

Dec 15, 2020
CVE Published
12:00 AM
Jan 7, 2021
CVE Published
via MITRE·01:52 PM
Data Sourced
via MITRE·01:52 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-2020-26975?

CVE-2020-26975 has been classified as a moderate severity vulnerability.

2

How do I fix CVE-2020-26975?

To fix CVE-2020-26975, update Firefox for Android to version 84 or later.

3

Who is affected by CVE-2020-26975?

CVE-2020-26975 affects Firefox for Android versions prior to 84.

4

What types of attacks can occur due to CVE-2020-26975?

CVE-2020-26975 can lead to attacks such as ambient authority abuse or session fixation.

5

What was the solution implemented for CVE-2020-26975?

The solution for CVE-2020-26975 involved allowing only certain safe-listed headers in intents.

Contact

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