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Ubuntu Security Notice USN-2766-1
October 07, 2015

spice vulnerabilities
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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 versions:

Ubuntu 15.04:
libspice-server1 0.12.5-1ubuntu0.2

Ubuntu 14.04 LTS:
libspice-server1 0.12.4-0nocelt2ubuntu1.2

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

References:
http://www.ubuntu.com/usn/usn-2766-1
CVE-2015-5260, CVE-2015-5261

Package Information:
https://launchpad.net/ubuntu/+source/spice/0.12.5-1ubuntu0.2
https://launchpad.net/ubuntu/+source/spice/0.12.4-0nocelt2ubuntu1.2

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