[VIM] learning from the past (IBM AIX)

[security curmudgeon]

http://aix.software.ibm.com/aix/efixes/security/ftpd_advisory.asc

First Issued: Wed May 21 11:19:32 CDT 2008

CVE Number:         CVE-1999-0201

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http://cve.mitre.org/cgi-bin/cvename.cgi?name=1999-0201

A quote cwd command on FTP servers can reveal the full path of the home 
directory of the "ftp" user.