USN-326-1: heartbeat vulnerability

28 July 2006

heartbeat vulnerability

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Releases

Details

Yan Rong Ge discovered that heartbeat did not set proper permissions
for an allocated shared memory segment. A local attacker could exploit
this to render the heartbeat service unavailable (Denial of
Service).

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 6.06
  • heartbeat - 1.2.4-2ubuntu0.1
Ubuntu 5.10
  • heartbeat - 1.2.3-12ubuntu0.1
Ubuntu 5.04
  • heartbeat - 1.2.3-3ubuntu1.2

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

References