USN-2876-1: eCryptfs vulnerability

20 January 2016

mount.ecryptfs_private could be used to run programs as an administrator.

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Releases

Packages

Details

Jann Horn discovered that mount.ecryptfs_private would mount over certain
directories in the proc filesystem. A local attacker could use this to escalate
their privileges. (CVE-2016-1572)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 15.10
Ubuntu 15.04
Ubuntu 14.04
Ubuntu 12.04

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

References

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Further reading