Thanks to Margus Pala, a security Flaw has been reported and corrected in SecurityImages version 5.1.2 and previous
The flaw is of moderate level, in register forms, spammers are able to register without solving the Captcha!
In order to resolve this issue, you don’t have to install any new version of SecurityImages, you must either
OR
if ($useSecurityImagesInRegister && !$this->checkSecurityImagesCaptcha()) {
JError::raiseWarning('', JText::_('SECURITYIMAGES REJECT USER ENTRY'));
$this->register();
return false;
}
These patches versions have the flaw
04/12/2008 Joomla_1.5.1-Stable-Full_PackageForSecurityImages5.0.0.zip
05/01/2008 Joomla_1.5.2-Stable-Full_PackageForSecurityImages5.0.0_v01.00.00.zip
05/01/2008 Joomla_1.5.3-Stable-Full_PackageForSecurityImages5.0.0_v01.00.00.zip
07/10/2008 Joomla_1.5.4-Stable-Full_PackageForSecurityImages5.0.0_v01.00.00.zip
08/03/2008 Joomla_1.5.5-Stable-Full_PackageForSecurityImages5.0.0_v01.00.00.zip
08/03/2008 Joomla_1.5.6-Stable-Full_PackageForSecurityImages5.0.0_v01.00.00.zip
08/19/2008 Joomla_1.5.6-Stable-Full_PackageForSecurityImages5.1.0_v01.00.00.zip
09/13/2008 Joomla_1.5.7-Stable-Full_PackageForSecurityImages5.0.0_v01.00.00.zip
09/20/2008 Joomla_1.5.7-Stable-Full_PackageForSecurityImages5.1.0_v01.00.00.zip
11/11/2008 Joomla_1.5.8-Stable-Full_PackageForSecurityImages5.0.0_v01.00.00.zip
01/19/2009 Joomla_1.5.8-Stable-Full_PackageForSecurityImages5.1.0_v01.01.00.zip
01/19/2009 Joomla_1.5.9-Stable-Full_PackageForSecurityImages5.1.0_v01.01.00.zip
03/28/2009 Joomla_1.5.10-Stable-Full_PackageForSecurityImages5.1.0_v01.01.00.zip
06/03/2009 Joomla_1.5.11-Stable-Full_PackageForSecurityImages5.1.0_v01.01.00.zip
07/04/2009 Joomla_1.5.12-Stable-Full_PackageForSecurityImages5.1.x_v01.01.00.zip
07/26/2009 Joomla_1.5.13-Stable-Full_PackageForSecurityImages5.1.x_v01.01.00.zip
07/26/2009 Joomla_1.5.14-Stable-Full_PackageForSecurityImages5.1.x_v01.01.00.zip
09/11/2009 Joomla_1.5.14-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
11/09/2009 Joomla_1.5.15-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
04/24/2010 Joomla_1.5.16-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
04/24/2010 Joomla_1.5.17-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
09/12/2010 Joomla_1.5.18-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
04/24/2010 Joomla_1.5.20-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
01/09/2011 Joomla_1.5.21-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
01/09/2011 Joomla_1.5.22-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
01/09/2011 Joomla_1.5.23-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
You can download the updated versions in HERE or search the download section, type 1.5.23 for the patches for 1.5.23 for example

Only for SecurityImages 5.1.x and Joomla! 1.5.13
Allow login views, login modules, register, lost password, lost user account and contact section to be
protected by SecurityImages

Only for SecurityImages 5.1.x and Joomla! 1.5.23
Allow login views, login modules, register, lost password, lost user account and contact section to be
protected by SecurityImages
Download Joomla_1.5.23-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip

Only for SecurityImages 5.1.x and Joomla! 1.5.12
Allow login views, login modules, register, lost password, lost user account and contact section to be
protected by SecurityImages
Download / Details / Keep up to date with the Joomla! 1.5 patches RSS ![]()

Only for SecurityImages 5.1.x and Joomla! 1.5.22
Allow login views, login modules, register, lost password, lost user account and contact section to be
protected by SecurityImages
Download Joomla_1.5.22-Stable-Full_PackageForSecurityImages5.1.x_v01.02.00.zip
This version should improve installations on some host, where the plugin securityimages.php did not always install properly. The reason behind is that I did add falsely an additional file index.html in plugin.zip. This may lead to permissions issues during installation. SecurityImages 5.1.2 do not contains any other changes, so If you’re happily running SecurityImages 5.1.1, no need to upgrade!
The Joomla! community is pleased to announce the immediate availability of Joomla! 1.5.11
Since Joomla 1.5.11 is released...Here are the new patches for SecurityImages 5.1.1 AND Joomla! 1.5.11
DOWNLOAD HERE and stay up to date with the Joomla! 1.5 patches RSS feed ![]()
The Joomla! community is pleased to announce the immediate availability of Joomla! 1.5.10
Since Joomla 1.5.10 is released...Here are the new patches for SecurityImages 5.1.1
DOWNLOAD HERE and stay up to date with the Joomla! 1.5 patches RSS feed ![]()
Following the Preview of SecurityImages 5.2.0, I am currently developing a proof of concept using the Ajax library JQUERY
jQuery is a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery is designed to change the way that you write JavaScript.
I want to allow generated captcha to be checked asynchronously without needing submit of whole page. This is a major complain since the beginning of SecurityImages, as currently users lost their entries in the form in case the captcha challenge get refused.
A lot more check are also done NOW in the Diagnostics page:
AND
A new API inspired from recaptcha.net that will allow me to integrate new system in future without being limited to an image (why not having a flash or video in future?). This API fully use the Joomla! event system so less code to write for all 3rd party developers and less dependencies.
Stay tuned!
The Joomla! community is pleased to announce the immediate availability of Joomla! 1.5.9
Since Joomla 1.5.9 is released...Here are the new patches for SecurityImages 5.1.0
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