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Wednesday, October 7, 2020

ESB-2020.3458 – [Win][UNIX/Linux][Debian] php7.0: Multiple vulnerabilities

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

                               ESB-2020.3458
                          php7.0 security update
                              7 October 2020

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

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

Product:           php7.0
Publisher:         Debian
Operating System:  Debian GNU/Linux 9
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Overwrite Arbitrary Files -- Remote with User Interaction
                   Reduced Security          -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-7070  

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2020/10/msg00008.html

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running php7.0 check for an updated version of the software for 
         their operating system.

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

- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2397-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                  Roberto C. S=E1nchez
October 06, 2020                              https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package        : php7.0
Version        : 7.0.33-0+deb9u10
CVE ID         : CVE-2020-7070

A vulnerability was discovered in PHP, a server-side, HTML-embedded
scripting language.  When PHP is processing incoming HTTP cookie values,
the cookie names are url-decoded. This may lead to cookies with prefixes
like __Host confused with cookies that decode to such prefix, thus
leading to an attacker being able to forge a cookie which is supposed to
be secure.

For Debian 9 stretch, this problem has been fixed in version
7.0.33-0+deb9u10.

We recommend that you upgrade your php7.0 packages.

For the detailed security status of php7.0 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/php7.0

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

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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.
===========================================================================
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