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Insecure Library Loading

Secunia Advisory SA9170

Windows NetMeeting Directory Traversal Vulnerability
Secunia Advisory SA9170
Secunia VIM 4.0 - Free Trial
Release Date 2003-07-02
   
Popularity 17,739 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact System access
Where From remote
Authentication level This information is available to Secunia VIM customers
   
Report reliability This information is available to Secunia VIM customers
Solution Status Vendor Patch
   
Systems affected This information is available to Secunia VIM customers
Approve distribution This information is available to Secunia VIM customers
Remediation status Secunia CSI, Secunia PSI
Automated scanning Secunia CSI, Secunia PSI
   
Operating System
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Software:
Windows NetMeeting 3.x

Secunia CVSS Score This information is available to Secunia VIM Customers
CVE Reference(s) No CVE references.

  

Description

A vulnerability has been identified in Windows NetMeeting, which can be exploited by malicious people to overwrite arbitrary files on a user's system with the privileges of the user.

The vulnerability is caused due to an input validation error in the file transfer functionality. By specifying a filename starting with the character sequence "..\", it is possible to traverse out of the directory used to receive files. This could potentially overwrite other files on a user's system, which may result in execution of arbitrary code.

The vulnerability has been reported in version 3.01 (4.4.3385). However, other versions may also be vulnerable.


Solution
Reportedly, the vulnerability has been fixed in Windows 2000 SP4 and Windows XP SP1.
Further details available to Secunia VIM customers

Provided and/or discovered by
Hernán Ochoa, Gustavo Ajzenman, Javier Garcia Di Palma, and Pablo Rubinstein (Core Security Technologies).

Original Advisory
http://www.coresecurity.com/common/showdoc.php?idx=352&idxseccion=10

Deep Links
Links available to Secunia VIM customers


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: Windows NetMeeting Directory Traversal Vulnerability
 
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