Operating System:

[Ubuntu]

Published:

16 January 2020

Protect yourself against future threats.

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

                               ESB-2020.0165
                      USN-4239-1: PHP vulnerabilities
                              16 January 2020

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

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

Product:           PHP
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service     -- Existing Account
                   Read-only Data Access -- Existing Account
                   Reduced Security      -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-11050 CVE-2019-11047 CVE-2019-11046
                   CVE-2019-11045  

Reference:         ESB-2020.0145
                   ESB-2020.0022

Original Bulletin: 
   https://usn.ubuntu.com/4239-1/

- --------------------------BEGIN INCLUDED TEXT--------------------

USN-4239-1: PHP vulnerabilities
15 January 2020

php5, php7.0, php7.2, php7.3 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 19.10
  o Ubuntu 19.04
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS
  o Ubuntu 14.04 ESM
  o Ubuntu 12.04 ESM

Summary

Several security issues were fixed in PHP.

Software Description

  o php7.3 - server-side, HTML-embedded scripting language (metapackage)
  o php7.2 - HTML-embedded scripting language interpreter
  o php7.0 - HTML-embedded scripting language interpreter
  o php5 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled certain files. An attacker could
possibly use this issue to cause a denial of service. This issue only affected
Ubuntu 14.04 ESM, 16.04 LTS, 18.04 LTS, 19.04 and 19.10. (CVE-2019-11045)

It was discovered that PHP incorrectly handled certain inputs. An attacker
could possibly use this issue to expose sensitive information. (CVE-2019-11046)

It was discovered that PHP incorrectly handled certain images. An attacker
could possibly use this issue to access sensitive information. (CVE-2019-11047,
CVE-2019-11050)

Update instructions

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

Ubuntu 19.10
    libapache2-mod-php7.3 - 7.3.11-0ubuntu0.19.10.2
    php7.3-bcmath - 7.3.11-0ubuntu0.19.10.2
    php7.3-cgi - 7.3.11-0ubuntu0.19.10.2
    php7.3-cli - 7.3.11-0ubuntu0.19.10.2
    php7.3-fpm - 7.3.11-0ubuntu0.19.10.2
    php7.3-mbstring - 7.3.11-0ubuntu0.19.10.2
    php7.3-xmlrpc - 7.3.11-0ubuntu0.19.10.2
Ubuntu 19.04
    libapache2-mod-php7.2 - 7.2.24-0ubuntu0.19.04.2
    php7.2-bcmath - 7.2.24-0ubuntu0.19.04.2
    php7.2-cgi - 7.2.24-0ubuntu0.19.04.2
    php7.2-cli - 7.2.24-0ubuntu0.19.04.2
    php7.2-fpm - 7.2.24-0ubuntu0.19.04.2
    php7.2-mbstring - 7.2.24-0ubuntu0.19.04.2
    php7.2-xmlrpc - 7.2.24-0ubuntu0.19.04.2
Ubuntu 18.04 LTS
    libapache2-mod-php7.2 - 7.2.24-0ubuntu0.18.04.2
    php7.2-bcmath - 7.2.24-0ubuntu0.18.04.2
    php7.2-cgi - 7.2.24-0ubuntu0.18.04.2
    php7.2-cli - 7.2.24-0ubuntu0.18.04.2
    php7.2-fpm - 7.2.24-0ubuntu0.18.04.2
    php7.2-mbstring - 7.2.24-0ubuntu0.18.04.2
    php7.2-xmlrpc - 7.2.24-0ubuntu0.18.04.2
Ubuntu 16.04 LTS
    libapache2-mod-php7.0 - 7.0.33-0ubuntu0.16.04.9
    php7.0-bcmath - 7.0.33-0ubuntu0.16.04.9
    php7.0-cgi - 7.0.33-0ubuntu0.16.04.9
    php7.0-cli - 7.0.33-0ubuntu0.16.04.9
    php7.0-fpm - 7.0.33-0ubuntu0.16.04.9
    php7.0-mbstring - 7.0.33-0ubuntu0.16.04.9
    php7.0-xmlrpc - 7.0.33-0ubuntu0.16.04.9
Ubuntu 14.04 ESM
    libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.29+esm8
    php5-cgi - 5.5.9+dfsg-1ubuntu4.29+esm8
    php5-cli - 5.5.9+dfsg-1ubuntu4.29+esm8
    php5-fpm - 5.5.9+dfsg-1ubuntu4.29+esm8
    php5-xmlrpc - 5.5.9+dfsg-1ubuntu4.29+esm8
Ubuntu 12.04 ESM
    libapache2-mod-php5 - 5.3.10-1ubuntu3.42
    php5-cgi - 5.3.10-1ubuntu3.42
    php5-cli - 5.3.10-1ubuntu3.42
    php5-fpm - 5.3.10-1ubuntu3.42
    php5-xmlrpc - 5.3.10-1ubuntu3.42

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

  o CVE-2019-11045
  o CVE-2019-11046
  o CVE-2019-11047
  o CVE-2019-11050

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
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.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=rNRp
-----END PGP SIGNATURE-----