ESB-2018.0427 - [Ubuntu] postgresql: Access confidential data - Existing account 2018-02-13

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0427
                         PostgreSQL vulnerability
                             13 February 2018

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

Product:           postgresql
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1053  

Reference:         ESB-2018.0408
                   ESB-2018.0387

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3564-1

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USN-3564-1: PostgreSQL vulnerability
Ubuntu Security Notice USN-3564-1

9th February, 2018
postgresql-9.3, postgresql-9.5, postgresql-9.6 vulnerability

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

    Ubuntu 17.10
    Ubuntu 16.04 LTS
    Ubuntu 14.04 LTS

Summary

PostgreSQL could be made to expose sensitive information.

Software description

    postgresql-9.3 - Object-relational SQL database
    postgresql-9.5 - Object-relational SQL database
    postgresql-9.6 - Object-relational SQL database

Details

It was discovered that PostgreSQL incorrectly handled certain temp files.
An attacker could possibly use this to access sensitive information.

Update instructions

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

Ubuntu 17.10:
    postgresql-9.6 9.6.7-0ubuntu0.17.10 
Ubuntu 16.04 LTS:
    postgresql-9.5 9.5.11-0ubuntu0.16.04 
Ubuntu 14.04 LTS:
    postgresql-9.3 9.3.21-0ubuntu0.14.04 

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

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart PostgreSQL to
make all the necessary changes.
References

CVE-2018-1053

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