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.

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Advisories
Source ID Title
EUVD EUVD EUVD-2017-14558 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.
Ubuntu USN Ubuntu USN USN-3260-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3278-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T15:04:14.622Z

Reserved: 2017-01-13T00:00:00

Link: CVE-2017-5454

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:06.750

Modified: 2025-11-25T17:50:16.803

Link: CVE-2017-5454

cve-icon Redhat

Severity : Important

Publid Date: 2017-04-19T00:00:00Z

Links: CVE-2017-5454 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses