USN-380-1: Avahi vulnerability

11 November 2006

Avahi vulnerability

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Releases

Details

Steve Grubb discovered that netlink messages were not being checked for
their sender identity. This could lead to local users manipulating the
Avahi service.

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Update instructions

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

Ubuntu 6.10
  • avahi-daemon - 0.6.13-2ubuntu2.2
  • libavahi-core4 - 0.6.13-2ubuntu2.2
Ubuntu 6.06
  • avahi-daemon - 0.6.10-0ubuntu3.2
  • libavahi-core4 - 0.6.10-0ubuntu3.2
Ubuntu 5.10
  • avahi-daemon - 0.5.2-1ubuntu1.2
  • libavahi-core1 - 0.5.2-1ubuntu1.2

In general, a standard system upgrade is sufficient to effect the
necessary changes.

References

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Further reading