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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.

Priority

Medium

CVSS 3 base score: 7.8

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)
precise Does not exist

trusty Does not exist
(trusty was 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
(reached 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

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

zesty Ignored
(reached end-of-life)

Notes

AuthorNote
tyhicks
mozjs38 contains a copy of the SpiderMonkey JavaScript engine

References

Bugs