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CVE-2015-3202

Published: 21 May 2015

fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted LIBMOUNT_MTAB environment variable that is used by mount's debugging feature.

Notes

AuthorNote
mdeslaur
ntfs-3g in vivid+ is built with an embedded fuse library instead
of the system one
original ntfs-3g patch was incomplete

Priority

High

Status

Package Release Status
fuse
Launchpad, Ubuntu, Debian
upstream Needs triage

precise
Released (2.8.6-2ubuntu2.1)
trusty
Released (2.9.2-4ubuntu4.14.04.1)
utopic
Released (2.9.2-4ubuntu4.14.10.1)
vivid
Released (2.9.2-4ubuntu4.15.04.1)
ntfs-3g
Launchpad, Ubuntu, Debian
upstream Needs triage

precise Not vulnerable

trusty Not vulnerable

utopic Not vulnerable

vivid
Released (1:2014.2.15AR.3-1ubuntu0.2)