From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Jun 13 2007 - 11:17:05 CDT

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TITLE:
Vitalize! Cellosoft Tokens Object Extension "RemoveChr()" Buffer
Overflow

SECUNIA ADVISORY ID:
SA25604

VERIFY ADVISORY:
http://secunia.com/advisories/25604/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
Cellosoft Tokens Object Extension 2.x
http://secunia.com/product/14471/

DESCRIPTION:
Haikz has reported a vulnerability in Cellosoft Tokens Object
extension for Vitalize!, which can be exploited by malicious people
to compromise a user's system.

The vulnerability is caused due to a boundary error within the Tokens
Object (nptoken.mox) extension when handling the "RemoveChr()" method.
This can be exploited to cause a stack-based buffer overflow via an
overly long (greater than 1024 bytes) string passed as argument to
the affected method.

Successful exploitation allows execution of arbitrary code when a
user visits a malicious website but requires that the Vitalize!
browser plug-in is installed.

The vulnerability is reported in version 2.0.0.6. Other versions may
also be affected.

SOLUTION:
Do not browse untrusted websites.

PROVIDED AND/OR DISCOVERED BY:
Haikz

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