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Secunia Advisory SA33427

PDFBuilderX ActiveX Control "SaveToFile()" Arbitrary File Overwrite
Secunia Advisory SA33427
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Release Date 2009-01-13
Last Update 2009-01-14
   
Popularity 1,957 view
Comments 0 comments

Criticality level Highly criticalHighly critical
Impact System access
Where From remote
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
   
Software:
PDFBuilderX 2.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) No CVE references.
  

Description
Alfons Luja has discovered a vulnerability in PDFBuilderX, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to the PDFBuilderXTrial.PDFDoc ActiveX control (PDFBuilderXTrial.ocx) providing the insecure "SaveToFile()" method. This can be exploited to overwrite arbitrary files on the system in the context of the currently logged-on user.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in PDFBuilderXTrial.ocx version 2.2.0.1. Other versions may also be affected.

Solution
Set the kill-bit for the affected ActiveX control.

Provided and/or discovered by
Alfons Luja

Changelog
Further details available in Customer Area

Original Advisory
http://packetstorm.linuxsecurity.com/0901-exploits/ciansoftpdfbuilder-overwrite.txt

Alternate/detailed remediation
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: PDFBuilderX ActiveX Control "SaveToFile()" Arbitrary File Overwrite
 
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