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Secunia Advisory SA10490

Cesar FTP Denial of Service Vulnerability
Secunia Advisory SA10490
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Release Date 2003-12-24
   
Popularity 8,859 views
Comments 0 comments

Criticality level Not criticalNot critical
Impact DoS
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
Remediation status Secunia VIM
   
Software:
Cesar FTP 0.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) No CVE references.
  

Description

A vulnerability has been identified in Cesar FTP allowing malicious users to cause the FTP server to consume large amounts of CPU power.

The problem is that Cesar FTP fails to handle an excessive amount of "." in the CWD command. This cause the server process to consume 99% CPU, however the system still serves new connections.

This has been reported to affect version 0.99g, prior versions may also be affected.


Solution
Restrict access so that only trusted users can log in.

Provided and/or discovered by
Reported by zib zib

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: Cesar FTP Denial of Service Vulnerability
 
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