Vulnerabilities 2008

PR08-09 Unauthenticated File Retrieval on Sun Java System Identity Manager "ext" parameter

• Advisory publicly released: Monday, 10 November 2008
• Vulnerability found: Friday, 25 April 2008
• Vendor informed: Monday, 28 April 2008
• Severity level: High

• Credits
  Richard Brain of ProCheckUp Ltd (www.procheckup.com).
  
  ProCheckUp thanks Sun for working with us.
• Description
  Sun Java System Identity Manager is vulnerable to unauthenticated file retrieval a.k.a. directory traversal within the "ext" parameter processed by the "/idm/includes/helpServer.jsp" server-side script.
• Proof of concept
  Due to the severity of this issue, ProCheckUp will keep the PoC private until all Sun Identity Manager customers are given enough time to update.
• How to fix
  Apply the patches released by Sun. This vulnerability has been filed as Sun Bugzilla bug 18653.
  
  http://sunsolve.sun.com/search/document.do?assetkey=1-26-243386-1
• BID
  32262
• Consequences
  Any files can be retrieved from the target server provided that the attacker knows its location on the filesystem. No authentication is required to exploit this vulnerability.
• Successfully tested on
  Server environment:
  
  Sun Java System Identity Manager 6.0 (20061212 SP 2)
  Apache-Coyote/1.1
  Apache Tomcat/5.0.28
  
  
  
  Client environment:
  
  Microsoft Internet Explorer 7.0.5730.11
  
  Note: the version of Sun Java SIM can be obtained from the HTML source code of the user login page: "/idm/user/login.jsp". i.e.:
  
  [snip]
  
  <a onmouseover="return overlib('Open <b>Help</b><br>Version &nbsp;
  Sun Java System Identity Manager 6.0 (20061212 SP 2)',
  
  FGCOLOR, '#F5F5DC',
  BGCOLOR, '#000000',
  DELAY, '750')"
  [snip]
  
  
  
  Sun has confirmed the following products to be affected by this issue:
  
  Sun Java System Identity Manager 6.0, Sun Java System Identity Manager 7.0, Sun Java System Identity Manager 7.1
• References
  

  
  http://www.procheckup.com/vulnerability_manager

  
  http://www.sun.com/software/products/identity_mgr/index.xml

  
  
• Legal
  Copyright 2008 ProCheckUp Ltd.
  
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  Any other use of this information is prohibited.
  
  ProCheckUp is not liable for any misuse of this information by any third party. ProCheckUp is not responsible for the content of external Internet sites.