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MFSA2017-12 Firefox: Security vulnerabilities fixed in Firefox ESR 52.1 (CVE-2017-5456)

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MFSA2017-12 Firefox: Security vulnerabilities fixed in Firefox ESR 52.1 (CVE-2017-5456)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
04/19/2017
Created
07/25/2018
Added
04/20/2017
Modified
08/13/2018

Description

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.

Solution(s)

  • mozilla-firefox-esr-upgrade-52_1

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