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MFSA2017-12 Firefox: Security vulnerabilities fixed in Firefox ESR 52.1 (CVE-2017-5454)

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MFSA2017-12 Firefox: Security vulnerabilities fixed in Firefox ESR 52.1 (CVE-2017-5454)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
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 to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

Solution(s)

  • mozilla-firefox-esr-upgrade-52_1

References

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