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

MaxSite Anti Spam Image Anti-Automation

MaxSite Anti Spam Image Anti-Automation
Posted Mar 31, 2011
Authored by MustLive

The MaxSite Anti Spam Image plugin version 0.6 for WordPress suffers from an anti-automation vulnerability.

tags | advisory
SHA-256 | 56d360a31b05be7e932af17d7096c50a9708ff525c05619413139fae2e6c2956

MaxSite Anti Spam Image Anti-Automation

Change Mirror Download
Hello list!

I want to warn you about Insufficient Anti-automation vulnerability in
MaxSite Anti Spam Image plugin for WordPress.

This is modified version of original plugin Anti Spam Image, about
vulnerability in which I wrote in 2007 in my project Month of Bugs in
Captchas. This captcha is vulnerable to session reusing with constant
captcha bypass method, like original Anti Spam Image, on which base this
plugin is made.

-------------------------
Affected products:
-------------------------

Vulnerable are MaxSite Anti Spam Image 0.6 and potentially all other
versions of this plugin.

----------
Details:
----------

Insufficient Anti-automation (WASC-21):

Exploit:

http://websecurity.com.ua/uploads/2011/MaxSite%20Anti%20Spam%20Image%20CAPTCHA%20bypass.html

Vulnerability has place on old versions of PHP. It shows only in PHP <
4.4.7, which has bug which leads to error in work of web application's
algorithm, which leads to possibility of captcha bypass.

------------
Timeline:
------------

2007.12.01 - found vulnerability.
2007.12.01 - informed developer.
2011.03.29 - disclosed at my site.

I mentioned about this vulnerability at my site
(http://websecurity.com.ua/5045/).

Best wishes & regards,
MustLive
Administrator of Websecurity web site
http://websecurity.com.ua

Login or Register to add favorites

File Archive:

September 2024

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

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2024 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close