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TITLE:
FTPShell Server License Key Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA33597

VERIFY ADVISORY:
http://secunia.com/advisories/33597/

CRITICAL:
Less critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
FTPShell Server 4.x
http://secunia.com/advisories/product/21090/

DESCRIPTION:
Gjoko 'LiquidWorm' Krstic has discovered a vulnerability in FTPShell
Server, which can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to a boundary error when processing
certain Windows registry keys, which can be exploited to cause a
buffer overflow by e.g. tricking a user into installing a malicious
license key file.

Successful exploitation allows the execution of arbitrary code.

The vulnerability is confirmed in version 4.3. Other versions may
also be affected.

SOLUTION:
Do not install untrusted license key files.

PROVIDED AND/OR DISCOVERED BY:
Gjoko 'LiquidWorm' Krstic

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7852

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