Date: 19 Dec 2004 19:49:54 +0200
From: SecuriTeam <support@securiteam.com.>
To: [email protected]Subject: [NT] Crystal FTP Pro Client LIST Buffer Overflow
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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Crystal FTP Pro Client LIST Buffer Overflow
------------------------------------------------------------------------
SUMMARY
<http://www.casdk.com/>; Crystal FTP Pro is "a Top awarded FTP client for
dummies and experts". A vulnerability in the way Crystal FTP Pro parses
incoming LIST responses allows a remote attacker to cause the program to
execute arbitrary code.
DETAILS
Vulnerable Systems:
* Crystal FTP Pro version 2.8
Crystal FTP Pro client, does not perform bound checking on the results
returned by 'LIST' command. A malicious ftp server, could execute
arbitrary code on the target user's client, replies to a 'LIST' command
request with a file list that contain a long file extension.
Example:
le.AAAAAAAAAAAA...(over 250 characters)
ADDITIONAL INFORMATION
The information has been provided by <mailto:luca.ercoli@inwind.it.> Luca
Ercoli.
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