USN-507-1: tcp-wrappers vulnerability

29 August 2007

tcp-wrappers vulnerability

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Releases

Packages

Details

It was discovered that the TCP wrapper library was incorrectly allowing
connections to services that did not specify server-side connection
details. Remote attackers could connect to services that had been
configured to block such connections. This only affected Ubuntu Feisty.

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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 7.04

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

References

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Further reading