USN-3246-1: Eject vulnerability

Ubuntu Security Notice USN-3246-1

27th March, 2017

eject vulnerability

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

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Eject could be made to run programs as an administrator.

Software description

  • eject - ejects CDs and operates CD-Changers under Linux

Details

Ilja Van Sprundel discovered that dmcrypt-get-device incorrectly checked setuid
and setgid return values. A local attacker could use this issue to execute code
as an administrator.

Update instructions

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

Ubuntu 16.10:
eject 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.10.1
Ubuntu 16.04 LTS:
eject 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.04.1
Ubuntu 14.04 LTS:
eject 2.1.5+deb1+cvs20081104-13.1ubuntu0.14.04.1
Ubuntu 12.04 LTS:
eject 2.1.5+deb1+cvs20081104-9ubuntu0.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2017-6964