CVE-2017-7794
Published: 10 August 2017
On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. Other operating systems are not affected. This vulnerability affects Firefox < 55.
Notes
Author | Note |
---|---|
tyhicks | mozjs38 contains a copy of the SpiderMonkey JavaScript engine |
Priority
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
artful |
Released
(55.0.2+build1-0ubuntu4)
|
bionic |
Released
(55.0.2+build1-0ubuntu4)
|
|
cosmic |
Released
(55.0.2+build1-0ubuntu4)
|
|
disco |
Released
(55.0.2+build1-0ubuntu4)
|
|
eoan |
Released
(55.0.2+build1-0ubuntu4)
|
|
focal |
Released
(55.0.2+build1-0ubuntu4)
|
|
groovy |
Released
(55.0.2+build1-0ubuntu4)
|
|
hirsute |
Released
(55.0.2+build1-0ubuntu4)
|
|
impish |
Released
(55.0.2+build1-0ubuntu4)
|
|
jammy |
Released
(55.0.2+build1-0ubuntu4)
|
|
kinetic |
Released
(55.0.2+build1-0ubuntu4)
|
|
lunar |
Released
(55.0.2+build1-0ubuntu4)
|
|
mantic |
Released
(55.0.2+build1-0ubuntu4)
|
|
trusty |
Released
(55.0.1+build2-0ubuntu0.14.04.2)
|
|
upstream |
Released
(55.0)
|
|
xenial |
Released
(55.0.1+build2-0ubuntu0.16.04.2)
|
|
zesty |
Released
(55.0.1+build2-0ubuntu0.17.04.2)
|
|
mozjs38 Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
bionic |
Needs triage
|
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
zesty |
Ignored
(end of life)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |