tnftp -- mget does not check for directory escapes

Description:

When downloading a batch of files from an FTP server the mget command does not check for directory escapes. A specially crafted file on the FTP server could then potentially overwrite an existing file of the user.

References:

• CVE name CVE-2004-1294
• URL: <http://tigger.uic.edu/~jlongs2/holes/tnftp.txt>
• URL: <http://cvsweb.netbsd.org/bsdweb.cgi/othersrc/usr.bin/tnftp/src/cmds.c?rev=1.1.1.3&content-type=text/x-cvsweb-markup>
• URL: <http://it.slashdot.org/article.pl?sid=04/12/15/2113202>
• List post: <http://marc.theaimsgroup.com/?l=bugtraq&m=110321888413132>(search)

Affects:

• tnftp <20050103

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