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ESB-2015.2704 - [Win][UNIX/Linux][Debian] php5: Multiple vulnerabilities

Date: 28 October 2015
References: ESB-2016.0699  ESB-2016.1514  ESB-2016.1572  

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.2704
                           php5 security update
                              28 October 2015

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

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

Product:           php5
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service        -- Remote with User Interaction
                   Access Confidential Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-7804 CVE-2015-7803 

Original Bulletin: 
   http://www.debian.org/security/2015/dsa-3380

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running php5 check for an updated version of the software for their
         operating system.

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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-3380-1                   security@debian.org
https://www.debian.org/security/                           Florian Weimer
October 27, 2015                      https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : php5
CVE ID         : CVE-2015-7803 CVE-2015-7804

Two vulnerabilities were found in PHP, a general-purpose scripting
language commonly used for web application development.

CVE-2015-7803

    The phar extension could crash with a NULL pointer dereference
    when processing tar archives containing links referring to
    non-existing files.  This could lead to a denial of service.

CVE-2015-7804

    The phar extension does not correctly process directory entries
    found in archive files with the name "/", leading to a denial of
    service and, potentially, information disclosure.

The update for Debian stable (jessie) contains additional bug fixes
from PHP upstream version 5.6.14, as described in the upstream
changelog:

    https://php.net/ChangeLog-5.php#5.6.13

Note to users of the the oldstable distribution (wheezy): PHP 5.4 has
reached end-of-life on September 14th, 2015.  As a result, there will
be no more new upstream releases.  The security support of PHP 5.4 in
Debian oldstable (wheezy) will be best effort only, and you are
strongly advised to upgrade to latest Debian stable release (jessie),
which includes PHP 5.6.

For the oldstable distribution (wheezy), these problems have been fixed
in version 5.4.45-0+deb7u2.

For the stable distribution (jessie), these problems have been fixed in
version 5.6.14+dfsg-0+deb8u1.

For the testing distribution (stretch) and the unstable distribution
(sid), these problems have been fixed in version 5.6.14+dfsg-1.

We recommend that you upgrade your php5 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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This security bulletin is provided as a service to AusCERT's members.  As
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NOTE: This is only the original release of the security bulletin.  It may
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Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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