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Ubuntu 13.04: USN-1874-1 Critical: DBus Denial Of Service

ubuntu
Calendar Grey June 13, 2013
Scroller Ubuntu
A DBus flaw found in Ubuntu enables local adversaries to destabilize system services. Apply updates to avert potential denial of service.
DBus could be made to crash if it received specially crafted input.

Summary

DBus could be made to crash if it received specially crafted input.

Software Description:

- dbus: simple interprocess messaging system

Details:

Alexandru Cornea discovered that DBus incorrectly handled certain messages.

A local attacker could use this issue to cause system services to crash,

resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu dbus crash prevention

Update Instructions

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

Ubuntu 13.04:
  libdbus-1-3                     1.6.8-1ubuntu6.1

Ubuntu 12.10:
  libdbus-1-3                     1.6.4-1ubuntu4.1

Ubuntu 12.04 LTS:
  libdbus-1-3                     1.4.18-1ubuntu1.4

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1874-1

CVE-2013-2168

Severity
critical
Lowest
Low
Medium
High
Critical

June 13, 2013

Topics%20covered

Topics Covered

security advisory denial of service ubuntu dbus crash prevention

Package Information

https://launchpad.net/ubuntu/+source/dbus/1.6.8-1ubuntu6.1
https://launchpad.net/ubuntu/+source/dbus/1.6.4-1ubuntu4.1
https://launchpad.net/ubuntu/+source/dbus/1.4.18-1ubuntu1.4

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