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TITLE:
WS_FTP LE "PASV" Response Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA22032

VERIFY ADVISORY:
http://secunia.com/advisories/22032/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
WS_FTP LE 5.x
http://secunia.com/product/12062/

DESCRIPTION:
h07 has discovered a vulnerability in WS_FTP LE, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an error within the handling of
responses to the "PASV" command. This can be exploited to cause a
buffer overflow by e.g. tricking a user into connecting to a
malicious FTP server.

Successful exploitation allows execution of arbitrary code.

The vulnerability has been confirmed in version 5.08. Other versions
may also be affected.

SOLUTION:
Connect to trusted FTP servers only.

Use another product.

PROVIDED AND/OR DISCOVERED BY:
h07

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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