Ubuntu Security Notice USN-2766-1
6th October, 2015
spice vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
Summary
Spice could be made to crash or run programs.
Software description
- spice
– SPICE protocol client and server library
Details
Frediano Ziglio discovered multiple buffer overflows, undefined behavior
signed integer operations, race conditions, memory leaks, and denial
of service issues in Spice. A malicious guest operating system could
potentially exploit these issues to escape virtualization. (CVE-2015-5260,
CVE-2015-5261)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
libspice-server1
0.12.5-1ubuntu0.2
- Ubuntu 14.04 LTS:
-
libspice-server1
0.12.4-0nocelt2ubuntu1.2
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart qemu guests to make
all the necessary changes.