*** This bug is a security vulnerability ***

Public security bug reported:

I am requesting a FeatureFreeze exception to update sudo in Xenial to
the newly released 1.8.16 version.

Not only does the new 1.8.16 version fix a large number of bugs, but it
also fixes security issues:

- CVE-2015-5602: privilege escalation via symlink attack
- CVE-2015-8239: race condition checking digests/checksums in sudoers
- duplicate environment variable handling

The fixes for these issues are intrusive and difficult to backport.

Once 1.8.16 is in Xenial, I intend to backport it to Precise and Trusty
as a security update to fix the long standing issue with sudo and
timestamp files based on the local clock which resulting in a big
refactoring of how timestamp files work in 1.8.10. (See bug 1219337)

See the following for details of the changes between 1.8.12 and 1.8.16:
https://www.sudo.ws/stable.html

I will of course monitor bugs and will fix any issues that arise.

** Affects: sudo (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1563825

Title:
  FFe: Update to sudo 1.8.16

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