ESB-2018.0296 - [Win][UNIX/Linux] Apache POI: Denial of service - Remote with user interaction 2018-01-30

Printable version
PGP/GPG verifiable version

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

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

                               ESB-2018.0296
          Denial of Service Vulnerabilities in Apache POI < 3.17
                              30 January 2018

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

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

Product:          Apache POI
Publisher:        Apache
Operating System: UNIX variants (UNIX, Linux, OSX)
                  Windows
Impact/Access:    Denial of Service -- Remote with User Interaction
Resolution:       Patch/Upgrade
CVE Names:        CVE-2017-12626  

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

CVE-2017-12626 – Denial of Service Vulnerabilities in Apache POI < 3.17

Severity: Important

Vendor: The Apache Software Foundation

Versions affected: versions prior to version 3.17

Description:   
    Apache POI versions prior to release 3.17 are vulnerable to Denial of 
    Service Attacks:
    * Infinite Loops while parsing specially crafted WMF, EMF, MSG and macros
          (POI bugs 61338 [0] and 61294 [1])
    * Out of Memory Exceptions while parsing specially crafted DOC, PPT and XLS 
          (POI bugs 52372 [2] and 61295 [3])


Mitigation:  Users with applications which accept content from external or 
	     untrusted sources are advised to upgrade to Apache POI 3.17 or 
	     newer.


[0] https://bz.apache.org/bugzilla/show_bug.cgi?id=61338
[1] https://bz.apache.org/bugzilla/show_bug.cgi?id=61294
[2] https://bz.apache.org/bugzilla/show_bug.cgi?id=52372
[3] https://bz.apache.org/bugzilla/show_bug.cgi?id=61295

- --------------------------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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=KrCG
-----END PGP SIGNATURE-----

« Back to bulletins