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Secunia Advisory SA7824

Microsoft Windows crashes on invalid font file
Secunia Advisory SA7824
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Release Date 2003-01-07
Last Update 2003-01-08
   
Popularity 14,779 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact DoS
Where Local system
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Unpatched
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
Remediation status Secunia VIM
   
Operating System
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional
Secunia CVSS Score Available in Customer Area
CVE Reference(s) No CVE references.
  

Description

Microsoft Windows 2000 and XP does not handle fonts correctly. Malformed font files can bring the system to an immediate reboot if viewed in the font viewer (fontview).

We do not know if this can be exploited to anything but a mere Denial of Service.

The Denial of Service has been confirmed with all the latest patches.


Solution
We recommend that you are careful if you receive any .otf, .ttf and .fon files, do only accept them from trusted sources and never load them onto mission critical system without having tested them first.

Provided and/or discovered by
Andrew Connell

Changelog
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 Windows crashes on invalid font file
 
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