CVE-2017-5454

7.5 HIGH
Published: June 11, 2018 Modified: November 25, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/97940
Source: security@mozilla.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038320
Source: security@mozilla.org
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:1106
Source: security@mozilla.org
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1201
Source: security@mozilla.org
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1349276
Source: security@mozilla.org
Issue Tracking Patch Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-13/
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/97940
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038320
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:1106
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1201
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1349276
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-13/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.7%
72th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

mozilla redhat