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Gentoo Security Advisory GLSA 201603-04
Information
Severity
Severity
Low
Family
Family
Gentoo Local Security Checks
CVSSv2 Base
CVSSv2 Base
3.6
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:L/Au:N/C:N/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
8 years ago
Modified
Modified
5 years ago
Summary
Gentoo Linux Local Security Checks GLSA 201603-04
Insight
Insight
The fusermount binary calls setuid(geteuid()) to reset the RUID when it invokes /bin/mount so that it can use privileged mount options that are normally restricted if RUID != EUID. FUSE does not properly clear environment variables before invoking mount or umount as root allowing this to be passed to operations using elevated privileges such as LIBMOUNT_MTAB that is used by the mount commands debugging feature.
Solution
Solution
Update the affected packages to the latest available version.