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Secunia Advisory SA20169

Edimax BR-6104K UPnP Shell Command Injection Vulnerability
Secunia Advisory SA20169
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Release Date 2006-05-22
Last Update 2006-05-26
   
Popularity 10,191 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact DoS
System access
Where From local network
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
EDIMAX BR-6104K Broadband Router
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2006-2561 CVSS available in Customer Area
  

Description

Armijn Hemel has reported a vulnerability in Edimax BR-6104K, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable device.

The vulnerability is caused due to missing authentication of UPnP AddPortMapping requests and missing validation of the NewInternalClient parameter of the request. This can be exploited by hosts on the local network to execute shell commands e.g. "/sbin/reboot" on the device via specially crafted UPnP AddPortMapping requests containing shell commands in the NewInternalClient parameter.


Solution
Disable the UPnP functionality if it is not required.
Further details available in Customer Area

Provided and/or discovered by
Armijn Hemel

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: Edimax BR-6104K UPnP Shell Command Injection Vulnerability
 
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