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USN-325-1: ruby1.8 vulnerability

28 July 2006

ruby1.8 vulnerability

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Releases

Details

The alias function, certain directory operations, and regular
expressions did not correctly implement safe levels. Depending on the
application these flaws might allow attackers to bypass safe level
restrictions and perform unintended operations.

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
  • ruby1.8 - 1.8.4-1ubuntu1.1
  • libruby1.8 - 1.8.4-1ubuntu1.1
Ubuntu 5.10
  • ruby1.8 - 1.8.2-9ubuntu1.2
  • libruby1.8 - 1.8.2-9ubuntu1.2
Ubuntu 5.04
  • ruby1.8 - 1.8.1+1.8.2pre4-1ubuntu0.4
  • libruby1.8 - 1.8.1+1.8.2pre4-1ubuntu0.4

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

References

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Further reading