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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
VendorProductVersion
redhatenterprise_linux
7.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.3
redhatenterprise_linux_server_aus
7.4
redhatenterprise_linux_server_eus
7.3
redhatenterprise_linux_server_eus
7.4
redhatenterprise_linux_server_eus
7.5
redhatenterprise_linux_workstation
7.0
mozillafirefox
𝑥
< 53.0
mozillafirefox_esr
𝑥
< 52.1.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
zesty
Fixed 53.0+build6-0ubuntu0.17.04.1
released
yakkety
Fixed 53.0+build6-0ubuntu0.16.10.1
released
xenial
Fixed 53.0+build6-0ubuntu0.16.04.1
released
trusty
Fixed 53.0+build6-0ubuntu0.14.04.1
released
precise
ignored
thunderbird
zesty
not-affected
yakkety
not-affected
xenial
not-affected
trusty
dne
precise
ignored