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USN-3132-1: tar vulnerability

USN-3132-1: tar vulnerability

Ubuntu Security Notice USN-3132-1

21st November, 2016

tar vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

Summary

tar could be made to overwrite files.

Software description

Details

Harry Sintonen discovered that tar incorrectly handled extracting files
when path names are specified on the command line. If a user or automated
system were tricked into processing a specially crafted archive, an
attacker could possibly overwrite arbitrary files.

Update instructions

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

Ubuntu 16.10:
tar

1.29b-1ubuntu0.1
Ubuntu 16.04 LTS:
tar

1.28-2.1ubuntu0.1
Ubuntu 14.04 LTS:
tar

1.27.1-1ubuntu0.1
Ubuntu 12.04 LTS:
tar

1.26-4ubuntu1.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2016-6321

Source: USN-3132-1: tar vulnerability

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