CVE-2017-5456

Mozilla: Sandbox escape allowing local file system read access (MFSA 2017-12)

Published Jun 11, 2018 CVSS 3.0 · 9.8 Critical EPSS 2.7% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2017-14560 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.
Ubuntu USN Ubuntu USN USN-3260-1 Firefox vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr