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Secunia Advisory SA8642

Microsoft Shell Light-Weight Utility Library Denial of Service
Secunia Advisory SA8642
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Release Date 2003-04-23
Last Update 2003-08-29
   
Popularity 42,038 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact DoS
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
Remediation status Secunia CSI, Secunia PSI
Automated scanning Secunia CSI, Secunia PSI
   
Operating System
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Software:
Microsoft Internet Explorer 5.01
Microsoft Internet Explorer 5.5
Microsoft Internet Explorer 6.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) No CVE references.
  

Description

A vulnerability identified in a library included in Windows XP and Internet Explorer version 4.0 and newer can be exploited to cause a DoS (Denial of Service) on certain applications.

The vulnerability is caused due to a NULL pointer dereference bug in Microsoft Shell Light-Weight Utility Library ("shlwapi.dll"). A malicious person can exploit the vulnerability by constructing a special HTML document, which will crash applications using the vulnerable library.

An example was provided in the original advisory:

<html>
<form>
<input type crash>
</form>
</html>


Reportedly, the vulnerability can be exploited to crash the following applications:
- Windows Explorer
- Internet Explorer
- Outlook
- Outlook Express
- Frontpage

NOTE: Other applications may also be affected.


Solution
Reportedly, this was fixed by patches in MS03-032.
Further details available in Customer Area

Provided and/or discovered by
Ramon Pinuaga Cascales

Changelog
Further details available in Customer Area

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Microsoft Shell Light-Weight Utility Library Denial of Service
 
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