Mozilla Firefox up to 83.x Service Worker Remote Code Execution

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 83.x. It has been rated as critical. This issue affects some unknown processing of the component Service Worker. Performing a manipulation results in an unknown weakness. This vulnerability is identified as CVE-2020-26976. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 83.x (Web Browser). This affects an unknown function of the component Service Worker. This is going to have an impact on confidentiality.

The weakness was released 01/07/2021. It is possible to read the advisory at mozilla.org. This vulnerability is uniquely identified as CVE-2020-26976. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 208628 (CentOS 7 : thunderbird (RHSA-2021:0297)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 84.0 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.

The vulnerability is also documented in the vulnerability database at Tenable (208628). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 83.x

License

• open-source

Website

• Vendor: https://www.mozilla.org/
• Product: https://www.mozilla.org/en-US/firefox/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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