Vulnerability Description
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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Fuse Project | Fuse | <= 2.9.2 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159298.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159543.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159683.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159831.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160094.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160106.html
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00007.html
- http://packetstormsecurity.com/files/132021/Fuse-Local-Privilege-Escalation.html
- http://www.debian.org/security/2015/dsa-3266
- http://www.debian.org/security/2015/dsa-3268
- http://www.openwall.com/lists/oss-security/2015/05/21/9Exploit
- http://www.securityfocus.com/bid/74765
- http://www.securitytracker.com/id/1032386
- http://www.ubuntu.com/usn/USN-2617-1
FAQ
What is CVE-2015-3202?
CVE-2015-3202 is a vulnerability with a CVSS score of 3.6 (LOW). 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_...
How severe is CVE-2015-3202?
CVE-2015-3202 has been rated LOW with a CVSS base score of 3.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-3202?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Fuse Project Fuse.