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Information Exposure Affecting firefox-esr package, versions <60.3.0esr-1~deb8u1

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-DEBIAN8-FIREFOXESR-355238
  • published28 Oct 2018
  • disclosed28 Feb 2019
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Introduced: 28 Oct 2018

CVE-2018-12397  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Debian:8 firefox-esr to version 60.3.0esr-1~deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.