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[SA28160] WFTPD Explorer LIST Reply Buffer Overflow Vulnerability

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Dec 19 2007 - 17:27:04 CST


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TITLE:
WFTPD Explorer LIST Reply Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA28160

VERIFY ADVISORY:
http://secunia.com/advisories/28160/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
WFTPD Explorer
http://secunia.com/product/3108/

DESCRIPTION:
r4x has reported a vulnerability in WFTPD Explorer, which potentially
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when processing
server replies to the LIST command. This can be exploited to cause a
heap-based buffer overflow via an overly-long LIST server reply.

Successful exploitation may allow execution of arbitrary code but
requires that the user is tricked into connecting to a malicious FTP
server.

The vulnerability is reported in version 1.0. Other versions may also
be affected.

SOLUTION:
Do not connect to untrusted FTP servers.

PROVIDED AND/OR DISCOVERED BY:
r4x (Kamil Szczerba)

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4742

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