CVE-2015-3202

LOW 3.6CVE-2015-3202 · Published 02/07/2015 · updated 17/06/2026

In short

CVE-2015-3202 is a LOW (CVSS 3.6) vulnerability affecting fuse (fuse project).
Chance of exploitation in the next 30 days (EPSS): 1.0%, higher than 63.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
fuse fuse_project	`≤ 2.9.2`	No fix yet

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.

References

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
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
debian.org/security/2015/dsa-3266
debian.org/security/2015/dsa-3268

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