CVE-2017-5456

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.

• CWE-732

• http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1344415Exploit, Issue Tracking, Patch, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory
• http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1344415Exploit, Issue Tracking, Patch, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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