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Ichitaro Document Viewer Buffer Overflow Vulnerability
Secunia Advisory: SA21552
Release Date: 2006-08-21
Last Update: 2006-08-25
Popularity: 8,289 views

Critical:
Extremely critical
Impact: System access
Where: From remote
Solution Status: Partial Fix

Software:Ichitaro 10.x
Ichitaro 11.x
Ichitaro 12.x
Ichitaro 13.x
Ichitaro 2004
Ichitaro 2005
Ichitaro 2006
Ichitaro 9.x
Ichitaro for Linux

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CVE reference:CVE-2006-4326


Description:
A vulnerability has been reported in Ichitaro, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when processing a specially crafted document. This can be exploited to cause a stack-based buffer overflow via an overly long string.

Successful exploitation allows execution of arbitrary code.

NOTE: The vulnerability is currently being actively exploited.

Solution:
Apply patch.

Ichitaro 2005/2006:
A patch was released on 2006-08-18.

Ichitaro for Linux:
A patch should be available soon.

Provided and/or discovered by:
Discovered in the wild as a so-called 0-day.

Changelog:
2006-08-25: Added CVE reference.

Original Advisory:
Justsystem (japanese):
http://www.justsystem.co.jp/info/pd6002.html


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