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Incorrect Permission Assignment for Critical Resource Affecting firefox package, versions <63.0-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Integrity High

    Threat Intelligence

    EPSS 3.18% (92nd percentile)
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NVD
6.5 medium
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SUSE
6.1 medium
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Red Hat
6.1 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-424096
  • published 28 Oct 2018
  • disclosed 28 Feb 2019
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Introduced: 28 Oct 2018

CVE-2018-12396 Open this link in a new tab
CWE-732 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 63.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.