CVE-2019-11751: High severity firefox esr vulnerability

Published Sep 3, 2019
·
Updated

Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicious links in a chat application. This can be used to write a log file to an arbitrary location such as the Windows 'Startup' folder. Note: this issue only affects Firefox on Windows operating systems.

Other sources

Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicious links in a chat application. This can be used to write a log file to an arbitrary location such as the Windows 'Startup' folder. <br>Note: this issue only affects Firefox on Windows operating systems.. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.

Affected Software

5 affected componentsFixes available
Mozilla Firefox ESR<68.1
68.1
Mozilla Firefox<69
69
Mozilla Firefox<69.0
Mozilla Firefox ESR<68.1.0
Microsoft Windows

Event History

Sep 3, 2019
CVE Published
12:00 AM
Sep 27, 2019
CVE Published
via MITRE·05:14 PM
Data Sourced
via MITRE·05:14 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-11751?

CVE-2019-11751 is a vulnerability in Firefox where logging-related command line parameters are not properly sanitized when Firefox is launched by another program, allowing for the writing of a log file to an arbitrary location.

2

How does CVE-2019-11751 affect Mozilla Firefox?

CVE-2019-11751 affects Mozilla Firefox versions up to and including Firefox 69 and Firefox ESR 68.1.

3

What is the severity of CVE-2019-11751?

CVE-2019-11751 has a severity rating of 9, which is considered critical.

4

How can CVE-2019-11751 be exploited?

CVE-2019-11751 can be exploited by launching Firefox through another program and using malicious links in a chat application to write a log file to an arbitrary location.

5

What is the recommended remedy for CVE-2019-11751?

The recommended remedy for CVE-2019-11751 is to update Firefox to version 68.2 or later.

Contact

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