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TITLE:
Omni-NFS Enterprise Buffer Overflow Vulnerabilities

SECUNIA ADVISORY ID:
SA36939

VERIFY ADVISORY:
http://secunia.com/advisories/36939/

DESCRIPTION:
Some vulnerabilities have been discovered in Omni-NFS Enterprise,
which can be exploited by malicious people to compromise a vulnerable
system.

1) A boundary error exists in ntpd.exe when processing FTP requests.
This can be exploited to cause a stack-based buffer overflow by
sending specially crafted requests to port 21/TCP.

Successful exploitation allows execution of arbitrary code.

2) A boundary error exists in wftp.exe in the processing of FTP
responses. This can be exploited to cause a stack-based buffer
overflow when a user connects to a specially crafted FTP server.

Successful exploitation allows execution of arbitrary code.

The vulnerabilities are confirmed in Omni-NFS Enterprise 5.2. Other
versions may also be affected.

SOLUTION:
Restrict network access to the affected service.

PROVIDED AND/OR DISCOVERED BY:
Reported in metasploit modules.

ORIGINAL ADVISORY:
http://trac.metasploit.com/browser/framework3/trunk/modules/exploits/windows/ftp/xlink_server.rb
http://trac.metasploit.com/browser/framework3/trunk/modules/exploits/windows/ftp/xlink_client.rb

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