USN-4172-2: file vulnerability

file vulnerability

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

Ubuntu 14.04 ESM
Ubuntu 12.04 ESM

Summary

file could be made to crash or run programs if it opened a specially
crafted file.

Software Description

file – Tool to determine file types

Details

USN-4172-1 fixed a vulnerability in file. This update provides
the corresponding update for Ubuntu 12.04 ESM Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that file incorrectly handled certain malformed files. An
attacker could use this issue to cause a denial of service, or possibly
execute arbitrary code.

Update instructions

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

Ubuntu 14.04 ESM: file – 1:5.14-2ubuntu3.4+esm1; libmagic1 – 1:5.14-2ubuntu3.4+esm1
Ubuntu 12.04 ESM: file – 5.09-2ubuntu0.8; libmagic1 – 5.09-2ubuntu0.8

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-4172-2: file vulnerability

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