What is CVE-2020-6828?

CVE-2020-6828 is a vulnerability in Firefox for Android that allows a malicious Android application to overwrite files in the user's profile directory.

How can a malicious Android application exploit CVE-2020-6828?

A malicious Android application can exploit CVE-2020-6828 by crafting an Intent that would be processed by Firefox for Android and result in a file overwrite in the user's profile directory.

What is the severity of CVE-2020-6828?

CVE-2020-6828 has a severity level of high.

Which versions of Firefox for Android are affected by CVE-2020-6828?

Versions up to and including Firefox ESR 68.7 are affected by CVE-2020-6828.

How can I fix CVE-2020-6828?

To fix CVE-2020-6828, update Firefox for Android to a version higher than 68.7.

Vulnerability/
CVE-2020-6828

high

7.5

CWE

7/4/2020

24/4/2020

4/8/2024

CVE-2020-6828: Path Traversal

First published: Tue Apr 07 2020(Updated: )

A malicious Android application could craft an Intent that would have been processed by Firefox for Android and potentially result in a file overwrite in the user's profile directory. One exploitation vector for this would be to supply a user.js file providing arbitrary malicious preference values. Control of arbitrary preferences can lead to sufficient compromise such that it is generally equivalent to arbitrary code execution. Note: This issue only affects Firefox for Android. Other operating systems are unaffected.

Credit: security@mozilla.org

Affected Software	Affected Version	How to fix
Mozilla Firefox ESR	<68.7	68.7
	<68.7	68.7
Mozilla Firefox ESR	<68.7.0
Google Android

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

MFSA2020-13

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

What is CVE-2020-6828?
CVE-2020-6828 is a vulnerability in Firefox for Android that allows a malicious Android application to overwrite files in the user's profile directory.
How can a malicious Android application exploit CVE-2020-6828?
A malicious Android application can exploit CVE-2020-6828 by crafting an Intent that would be processed by Firefox for Android and result in a file overwrite in the user's profile directory.
What is the severity of CVE-2020-6828?
CVE-2020-6828 has a severity level of high.
Which versions of Firefox for Android are affected by CVE-2020-6828?
Versions up to and including Firefox ESR 68.7 are affected by CVE-2020-6828.
How can I fix CVE-2020-6828?
To fix CVE-2020-6828, update Firefox for Android to a version higher than 68.7.

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source/Mozilla
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collector/mitre-cve
source/MITRE
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agent/tags
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vendor/mozilla
canonical/mozilla firefox esr
vendor/google
canonical/google android

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