USN-3659-1: Spice vulnerability

Releases

• Ubuntu 18.04 ESM
• Ubuntu 17.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• spice - SPICE protocol client and server library
• spice-protocol - SPICE protocol headers

Details

Frediano Ziglio discovered that Spice incorrectly handled certain client
messages. An attacker could possibly use this to cause Spice to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 18.04

• libspice-server1 - 0.14.0-1ubuntu2.1

Ubuntu 17.10

• libspice-server1 - 0.12.8-2.2ubuntu0.1

Ubuntu 16.04

• libspice-protocol-dev - 0.12.10-1ubuntu0.1

Ubuntu 14.04

• libspice-server1 - 0.12.4-0nocelt2ubuntu1.6

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

References

• CVE-2017-12194