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:
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
tar could be made to overwrite files.
Software description
- tar
– GNU version of the tar archiving utility
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
Source: USN-3132-1: tar vulnerability
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