ESB-2017.2863 - [Win][UNIX/Linux][Debian] postgresql-common: Overwrite arbitrary files - Existing account 2017-11-10

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2863
                     postgresql-common security update
                             10 November 2017

===========================================================================

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

Product:           postgresql-common
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   Debian GNU/Linux 9
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Overwrite Arbitrary Files -- Existing Account
                   Denial of Service         -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-8806  

Original Bulletin: 
   http://www.debian.org/security/2017/dsa-4029

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running postgresql-common check for an updated version of the 
         software for their operating system.

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Debian Security Advisory DSA-4029-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
November 09, 2017                     https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : postgresql-common
CVE ID         : CVE-2017-8806

It was discovered that the pg_ctlcluster, pg_createcluster and
pg_upgradecluster commands handled symbolic links insecurely which could
result in local denial of service by overwriting arbitrary files.

For the oldstable distribution (jessie), this problem has been fixed
in version 165+deb8u3.

For the stable distribution (stretch), this problem has been fixed in
version 181+deb9u1.

We recommend that you upgrade your postgresql-common packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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