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Inspector.

The Secunia Software Inspector is a free service that detects insecure
versions of software that you may have installed in your system. When
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secure version from the vendor.

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TITLE:
wzdftpd Data Handling Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA23852

VERIFY ADVISORY:
http://secunia.com/advisories/23852/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
wzdftpd 0.x
http://secunia.com/product/1799/

DESCRIPTION:
Jose Miguel Esparza has discovered a vulnerability in wzdftpd, which
can be exploited by malicious users to cause a DoS (Denial of
Service).

The vulnerability is caused due to a NULL pointer dereference error
within "chtbl_lookup()" when processing data sent by the user. This
can be exploited to crash the service by sending certain whitespace
characters (e.g. " ", "\r", "\n", "\t").

The vulnerability is confirmed in version 0.8.0. Other versions may
also be affected.

SOLUTION:
Grant access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Jose Miguel Esparza, S21Sec

ORIGINAL ADVISORY:
http://www.s21sec.com/avisos/s21sec-033-en.txt

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About:
This Advisory was delivered by Secunia as a free service to help
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