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WS_FTP Server Vulnerabilities

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Stickying this for a week, as usual. All High Risk :)

WS_FTP Server ALLO handler buffer overflow

WS_FTP Server, developed by Ipswitch, is an FTP server for Microsoft Windows platforms. WS_FTP Server version 4.0.2 is vulnerable to a buffer overflow, caused by a vulnerability in the ALLO handler. A local or remote attacker could exploit this vulnerability to overflow a buffer and execute arbitrary code on the system with SYSTEM level privileges.

Platforms Affected:

Ipswitch, Inc.: WS_FTP Server 4.02
Microsoft Corporation: Windows 2000 Any version
Microsoft Corporation: Windows 2003 Server
Microsoft Corporation: Windows NT 4.0
Microsoft Corporation: Windows XP Any version
Remedy:

No remedy available as of March 2004.

Consequences:

Gain Access

http://xforce.iss.net/xforce/xfdb/15561

WS_FTP Server REST denial of service

WS_FTP Server, developed by Ipswitch, is an FTP server for Microsoft Windows platforms. WS_FTP Server version 4.0.2 is vulnerable to a denial of service attack. A local or remote attacker, with write privileges on a directory, could create a specially-crafted file containing a large REST argument and then issue a file upload command to consume all available disk space.

Platforms Affected:

Ipswitch, Inc.: WS_FTP Server 4.02
Microsoft Corporation: Windows 2000 Any version
Microsoft Corporation: Windows 2003 Server
Microsoft Corporation: Windows NT 4.0
Microsoft Corporation: Windows XP Any version
Remedy:

No remedy available as of March 2004.

Consequences:

Denial of Service

http://xforce.iss.net/xforce/xfdb/15560

WS_FTP Server SITE allows elevated privileges

WS_FTP Server, developed by Ipswitch, is an FTP server for Microsoft Windows platforms. WS_FTP Server version 4.0.2 could allow a local or remote attacker to gain elevated privileges on the system. A local or remote attacker with the ability to execute programs as any user could use the backdoor username and password to login and enable the options to edit user-defined SITE FTP commands, which would allow the attacker to execute programs on the system with SYSTEM level privileges.

Platforms Affected:

Ipswitch, Inc.: WS_FTP Server 4.02
Microsoft Corporation: Windows 2000 Any version
Microsoft Corporation: Windows 2003 Any version
Microsoft Corporation: Windows NT 4.0
Microsoft Corporation: Windows XP Any version
Remedy:

No remedy available as of March 2004.

Consequences:

Gain Privileges

http://xforce.iss.net/xforce/xfdb/15558

Regards

eddie
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