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[sec-adv] SmartFTP PWD Reply and Long File List Vulnerabilities

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Jun 11 2003 - 07:39:27 CDT


TITLE:
SmartFTP PWD Reply and Long File List Vulnerabilities

READ ONLINE:
http://www.secunia.com/advisories/8998/

CRITICAL:
Less critical

IMPACT:
DoS, System access

WHERE:
From remote

SOFTWARE:
SmartFTP 1.x

DESCRIPTION:
Two vulnerabilities have been reported in SmartFTP, which potentially
can be exploited by malicious people to compromise a user's system.

1) A boundary error when handling "PWD" replies can be exploited to
cause a buffer overflow, which potentially may allow execution of
arbitrary code on a user's system.

2) A boundary error when handling file lists (eg. returned by a
"LIST" command) can be exploited to cause a heap overflow by
returning a file list containing an overly long, specially crafted
string. This could potentially be exploited to execute arbitrary code
on a user's system.

However, in order to successfully exploit the vulnerabilities, a user
has to be tricked into logging in on a malicious FTP server.

SOLUTION:
Update to SmartFTP 1.0.976 or later:
http://www.smartftp.com/download/

REPORTED BY / CREDITS:
nesumin
:: Operash ::

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