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Ubuntu 16.04 LTS: USN-2837-1 Low Libxml2 Memory Corruption

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Calendar Grey September 8, 2015
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A critical vulnerability in Spice for Ubuntu poses risks for denial of service and remote code execution. Update your packages quickly to ensure system security
Spice could be made to crash or run programs.

Summary

Spice could be made to crash or run programs.

Software Description:

- spice: SPICE protocol client and server library

Details:

Frediano Ziglio discovered that Spice incorrectly handled monitor configs.

A malicious guest could use this issue to cause a denial of service, or

possibly execute arbitrary code on the host as the user running the QEMU

process. In the default installation, when QEMU is used with libvirt,

attackers would be isolated by the libvirt AppArmor profile.

Topics%20covered

Topics Covered

security advisory moderate denial of service Ubuntu spice

Update Instructions

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

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

Ubuntu 14.04 LTS:
  libspice-server1                0.12.4-0nocelt2ubuntu1.1

After a standard system update you need to restart all QEMU virtual
machines using Spice to make the necessary changes.

References

https://ubuntu.com/security/notices/USN-2736-1

CVE-2015-3247

Severity
low
Lowest
Low
Medium
High
Critical

September 08, 2015

Topics%20covered

Topics Covered

security advisory moderate denial of service Ubuntu spice

Package Information

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

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