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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2006-0028
Microsoft Internet Explorer "createTextRange " Code Execution Vulnerability

Original Issue Date:March 23, 2006
Updated: April 15, 2006

Severity Rating: HIGH

Systems Affected

  • Microsoft Internet Explorer 6 SP1 running on
    • Microsoft Windows 2000 SP4
    • Microsoft Windows XP SP1, SP2
    • Windows Server 2003 SP1
    • Windows Server 2003 with SP1 Itanium
    • Windows Server 2003 x64 Edition
    • Windows XP Professional x64 Edition
    • Windows 98 SE
    • Windows Millennium Edition
  • Microsoft Internet Explorer 5.5 SP2 on Microsoft Windows Millennium Edition
  • Microsoft Internet Explorer 5.01 SP4 on Microsoft Windows 2000 SP4
  • Microsoft Internet Explorer 7 Beta 2 Preview January edition

Overview

A vulnerability has been reported in Microsoft Internet Explorer in the way it handles createTextRange DHTML method which could allow a remote attacker to execute arbitrary commands on the affected system.

Description

The TextRange object represents text in an HTML element. createTextRange is a DHTML method which creates a TextRange object for the element.



This vulnerability is caused due to memory corruption error when IE calls "createTextRange " method for certain HTML/DHTML objects such as radio button control or "checkbox" object.

An attacker could exploit this vulnerability creating a specially crafted web page and convincing a user to visit the same. Successful exploitation allows a remote attacker to compromise the affected system and execute arbitrary commands.



Workaround

  • Disable active scripting or configure Internet Explorer to prompt before running Active Scripting. For details refer to Microsoft Security Advisory 917077
  • Exercise caution while visiting untrusted websites

    • Solution

    Apply appropriate patch as mentioned in MS security Bulletin MS06-013

    Vendor Information

    Microsoft
    http://www.microsoft.com/technet/security/advisory/917077.mspx

    References

    Microsoft
    http://blogs.technet.com/msrc/archive/2006/03/22/422849.aspx

    FrSirt
    http://www.frsirt.com/english/advisories/2006/1050

    Secunia
    http://secunia.com/advisories/18680/

    US-CERT
    http://www.kb.cert.org/vuls/id/876678

    CVE Name
    CVE-2006-1359

    Disclaimer

    The information provided herein is on "as is" basis, without warranty of any kind.

    Contact Information

    Email: info@cert-in.org.in
    Phone: +91-11-2436857

    Postal address

    Indian Computer Emergency Response Team (CERT-In)
    Ministry of Electronics and Information Technology
    Government of India
    Electronics Niketan
    6, CGO Complex, Lodhi Road,
    New Delhi - 110 003
    India

     
    Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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