USN-370-1: screen vulnerability

1 November 2006

screen vulnerability

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Releases

Details

cstone and Rich Felker discovered a programming error in the UTF8 string
handling code of "screen" leading to a denial of service. If a crafted
string was displayed within a screen session, screen would crash or
possibly execute arbitrary code.

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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.

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Update instructions

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

Ubuntu 6.10
  • screen - 4.0.2-4.1ubuntu5.6.10
Ubuntu 6.06
  • screen - 4.0.2-4.1ubuntu5.6.06
Ubuntu 5.10
  • screen - 4.0.2-4.1ubuntu2.5.10
Ubuntu 5.04
  • screen - 4.0.2-4.1ubuntu2.5.04

After a standard system upgrade you need to restart any running screen
sessions to effect the necessary changes.

References

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