ESB-2017.2099 - [Ubuntu] augeas: Execute arbitrary code/commands - Existing account 2017-08-22

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2099
                           Augeas vulnerability
                              22 August 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           augeas
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Denial of Service               -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7555  

Reference:         ESB-2017.2092

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3400-1

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USN-3400-1: Augeas vulnerability
Ubuntu Security Notice USN-3400-1
21st August, 2017

augeas vulnerability

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

Ubuntu 17.04
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS
Summary

Augeas could be made to crash if it received specially crafted input.

Software description

augeas - Configuration editing tool
Details

It was discovered that Augeas incorrectly handled certain strings.
An attacker could use this issue to cause Augeas to crash, leading
to a denial of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 17.04:
augeas-tools 1.6.0-0ubuntu3.1
libaugeas0 1.6.0-0ubuntu3.1
Ubuntu 16.04 LTS:
augeas-tools 1.4.0-0ubuntu1.1
libaugeas0 1.4.0-0ubuntu1.1
Ubuntu 14.04 LTS:
augeas-tools 1.2.0-0ubuntu1.3
libaugeas0 1.2.0-0ubuntu1.3
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-2017-7555

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