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Crob FTP Server LIST Denial of Service Vulnerability
Secunia Advisory: SA23365
Release Date: 2006-12-13
Last Update: 2006-12-18
Popularity: 6,214 views

Critical:
Less critical
Impact: DoS
Where: From remote
Solution Status: Unpatched

Software:Crob FTP Server 3.x

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CVE reference:CVE-2006-6558


Description:
shinnai has discovered a vulnerability in Crob FTP Server, which can be exploited by malicious users to cause a DoS (Denial of Service).

The vulnerability is caused due to a boundary error within the handling of the LIST command. This can be exploited to crash the service via an overly long string (greater than 10,000 bytes) composed of "?A" characters passed as argument to the vulnerable command.

The vulnerability is confirmed in version 3.6.1 Build 263. Other versions may also be affected.

This vulnerability may be related to:
SA15585

Solution:
Grant access to trusted users only.

Provided and/or discovered by:
shinnai

Changelog:
2006-12-14: Added link to old advisory.
2006-12-18: Added CVE reference.

Original Advisory:
http://milw0rm.com/exploits/2926

Other References:
SA15585:
http://secunia.com/advisories/15585


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