CVE-2017-5456

9.8 CRITICAL
Published: June 11, 2018 Modified: November 25, 2025
View on NVD

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.

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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:H/A:H

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://bugzilla.mozilla.org/show_bug.cgi?id=1344415
Source: security@mozilla.org
Exploit 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
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://bugzilla.mozilla.org/show_bug.cgi?id=1344415
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit 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

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.3%
57th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-732

Affected Vendors

mozilla redhat

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