USN-2617-1: FUSE vulnerability

Ubuntu Security Notice USN-2617-1

21st May, 2015

fuse vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.04
  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

FUSE could be made to overwrite files as the administrator.

Software description

  • fuse - Filesystem in Userspace

Details

Tavis Ormandy discovered that FUSE incorrectly filtered environment
variables. A local attacker could use this issue to gain administrative
privileges.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 15.04:
fuse 2.9.2-4ubuntu4.15.04.1
Ubuntu 14.10:
fuse 2.9.2-4ubuntu4.14.10.1
Ubuntu 14.04 LTS:
fuse 2.9.2-4ubuntu4.14.04.1
Ubuntu 12.04 LTS:
fuse 2.8.6-2ubuntu2.1

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

In general, a standard system update will make all the necessary changes.

References

CVE-2015-3202



from Ubuntu Security Notices http://ift.tt/1FEQSbF