Information Exposure Affecting firefox package, versions <66.0-1


0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.17% (53rd percentile)
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NVD
7.5 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-340848
  • published 20 Mar 2019
  • disclosed 26 Apr 2019

How to fix?

Upgrade Debian:unstable firefox to version 66.0-1 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.

If a Sandbox content process is compromised, it can initiate an FTP download which will then use a child process to render the downloaded data. The downloaded data can then be passed to the Chrome process with an arbitrary file length supplied by an attacker, bypassing sandbox protections and allow for a potential memory read of adjacent data from the privileged Chrome process, which may include sensitive data. This vulnerability affects Firefox < 66.