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Serv-U FTP Server "STOU" Command Denial of Service Vulnerability
Secunia Advisory: SA12507
Release Date: 2004-09-13
Last Update: 2005-02-22
Popularity: 10,031 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:Serv-U FTP Server 2.x
Serv-U FTP Server 3.x
Serv-U FTP Server 4.x
Serv-U FTP Server 5.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

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

The vulnerability is caused due to insufficient validation of arguments passed via the "STOU" command. This can be exploited to crash the service by passing a reserved DOS device name as argument.

Examples:
STOU COM1
STOU LPT1
STOU PRN
STOU AUX

The vulnerability has been confirmed on version 5.2. Other versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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