USN-506-1: tar vulnerability

28 August 2007

tar vulnerability

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Releases

Packages

Details

Dmitry V. Levin discovered that tar did not correctly detect the ".."
file path element when unpacking archives. If a user or an automated
system were tricked into unpacking a specially crafted tar file, arbitrary
files could be overwritten with user privileges.

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 7.04
Ubuntu 6.10
Ubuntu 6.06

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

References

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Further reading