Novell iPrint Client Unspecified Buffer Overflow Vulnerability

  • 7004475
  • 21-Sep-2009
  • 26-Apr-2012

Environment

Novell iPrint Client for Windows 4.X iPrint Client

   



Situation

Novell iPrint Client Unspecified Buffer Overflow Vulnerability
Secunia Advisory:       SA36579          

A vulnerability has been reported in the Novell iPrint 4.x Client only, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an unspecified error and can be exploited to cause a buffer overflow. The vulnerability only exists on 4.x iPrint client. The impact is only towards users who use a web browser to install printers, view maps, print etc..If users are not using a browser for this reason, then there is no impact.

More details:

By convincing a user to view a specially crafted HTML document (e.g., a web page or an HTML email message or attachment), an attacker may be able to execute arbitrary code with the privileges of the user.

The vulnerability is reported in version 4.38. Other 4.x versions may also be affected.   


Resolution

For users who are using browsers to install printers, and to view maps  using the iPrint 4.x client, the solution is to set the kill-bit for the iPrint ActiveX control on the user's WEB Browser.

This issue does not exist in the 5.x iPrint clients.

Disable the Novell iPrint 4.x Client ActiveX control in Internet Explorer


The vulnerable ActiveX control can be disabled in Internet Explorer by setting the kill bit for the following CLSID:


      {36723F97-7AA0-11D4-8919-FF2D71D0D32C}


Additional Information

More information about how to set the kill bit is available in Microsoft  Support Document 240797. Alternatively, the following text can be saved as a .REG file and imported to set the kill bit for this control:


      Windows Registry Editor Version 5.00


      [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{36723F97-7AA0-11D4-8919-FF2D71D0D32C}]

      "Compatibility Flags"=dword:00000400


Disable ActiveX


Disabling ActiveX controls in the Internet Zone (or any zone used by an attacker) appears to prevent exploitation of this and other ActiveX vulnerabilities. Instructions for disabling ActiveX in the Internet Zone can
be found in the "Securing Your Web Browser" document.

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