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From: SNS Research (vuln-devgreyhack.com)
Date: Wed May 30 2001 - 14:55:58 CDT
Strumpf Noir Society Advisories
! Public release !
-= SpoonFTP Buffer Overflow Vulnerabilities =-
Release date: Thursday, May 31, 2001
SpoonFTP is an ftp server from the hand of the makers of SpoonProxy
for the various MS Windows incarnations.
SpoonFTP is available from vendor Pi-Soft's website:
The SpoonFTP server doesn't correctly apply boundary checks on
the 'CWD' and 'LIST' commands. Issueing one of these to the server
followed by respectively 530 and 531 bytes of data or more will
cause the server to die.
Altough in the majority of the attempts internal errors will kill
the SpoonFTP process before any data can be passed on to the stack,
it is possible to use this to overwrite eip and execute arbitrary
code on the target machine.
Vendor has been notified and has verified the existence of these
problems. SpoonFTP v220.127.116.11 has been released to deal with them.
Users are encouraged to upgrade.
This was tested against SpoonFTP v18.104.22.168 on Win2k.
Free sk8! (http://www.freesk8.org)
SNS Research is rfpolicy (http://www.wiretrip.net/rfp/policy.html)
compliant, all information is provided on AS IS basis.
EOF, but Strumpf Noir Society will return!