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USN-380-1: Avahi vulnerability

11 November 2006

Avahi vulnerability

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.

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