USN-506-1: tar vulnerability

Publication date

28 August 2007

Overview

tar vulnerability


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.

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
7.04 feisty tar –  1.16-2ubuntu0.1
6.10 edgy tar –  1.15.91-2ubuntu0.4
6.06 dapper tar –  1.15.1-2ubuntu2.2

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