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CVE-2017-5456

Published: 20 April 2017

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.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise Does not exist
(precise was ignored)
trusty Does not exist
(trusty was released [53.0+build6-0ubuntu0.14.04.1])
upstream
Released (53.0)
xenial
Released (53.0+build6-0ubuntu0.16.04.1)
yakkety
Released (53.0+build6-0ubuntu0.16.10.1)
zesty
Released (53.0+build6-0ubuntu0.17.04.1)
thunderbird
Launchpad, Ubuntu, Debian
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected)
upstream Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable