USN-3014-1: Spice vulnerabilities

21 June 2016

Several security issues were fixed in Spice.

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Releases

Packages

  • spice - SPICE protocol client and server library

Details

Jing Zhao discovered that the Spice smartcard support incorrectly handled
memory. A remote attacker could use this issue to cause Spice to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only applied to Ubuntu 15.10 and Ubuntu 16.04 LTS. (CVE-2016-0749)

Frediano Ziglio discovered that Spice incorrectly handled certain primary
surface parameters. A malicious guest operating system could potentially
exploit this issue to escape virtualization. (CVE-2016-2150)

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Update instructions

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

Ubuntu 16.04
Ubuntu 15.10
Ubuntu 14.04

After a standard system update you need to restart qemu guests to make
all the necessary changes.

References

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Further reading