6.6 Medium
AI Score
Confidence
Low
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:P/A:P
0.0004 Low
EPSS
Percentile
0.4%
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.
CPE | Name | Operator | Version |
---|---|---|---|
debian_linux | eq | 8.0 | |
fuse | le | 2.9.2 |
lists.opensuse.org/opensuse-updates/2015-06/msg00005.html
lists.opensuse.org/opensuse-updates/2015-06/msg00007.html
packetstormsecurity.com/files/132021/Fuse-Local-Privilege-Escalation.html
www.debian.org/security/2015/dsa-3266
www.debian.org/security/2015/dsa-3268
www.openwall.com/lists/oss-security/2015/05/21/9
www.securityfocus.com/bid/74765
www.securitytracker.com/id/1032386
www.ubuntu.com/usn/USN-2617-1
www.ubuntu.com/usn/USN-2617-2
www.ubuntu.com/usn/USN-2617-3
gist.github.com/taviso/ecb70eb12d461dd85cba
lists.fedoraproject.org/pipermail/package-announce/2015-June/159298.html
lists.fedoraproject.org/pipermail/package-announce/2015-June/159543.html
lists.fedoraproject.org/pipermail/package-announce/2015-June/159683.html
lists.fedoraproject.org/pipermail/package-announce/2015-June/159831.html
lists.fedoraproject.org/pipermail/package-announce/2015-June/160094.html
lists.fedoraproject.org/pipermail/package-announce/2015-June/160106.html
security.gentoo.org/glsa/201603-04
security.gentoo.org/glsa/201701-19
twitter.com/taviso/status/601370527437967360
www.exploit-db.com/exploits/37089/