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>> JustSystems Products "JSFC.DLL" Client-Side Buffer Overflow Vulnerability

Title : JustSystems Products "JSFC.DLL" Client-Side Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2008-0045
CVE ID : CVE-2008-0223
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-01-07


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in various JustSystems products, which could be exploited by attackers to take complete control of an affected system. This issue is caused by a buffer overflow error in the "JSFC.DLL" library when processing malformed data, which could be exploited by attackers to crash a vulnerable application or execute arbitrary commands by tricking a user into opening a specially crafted file (e.g. JTD).

Affected Products

JustSystems Ichitaro 2007
JustSystems Ichitaro 2006
JustSystems Ichitaro 2005
JustSystems Ichitaro 2004
JustSystems Ichitaro 13
JustSystems Ichitaro 12
JustSystems Ichitaro 11
JustSystems Ichitaro 10
JustSystems Ichitaro 9
JustSystems Ichitaro Lite2
JustSystems Ichitaro for Linux
JustSystems Ichitaro viewer 4

Solution

Apply patches :
http://www.justsystems.com/jp/info/pd8001.html

References

http://www.vupen.com/english/advisories/2008/0045
http://www.justsystems.com/jp/info/pd8001.html
http://www.fourteenforty.jp/research/advisory.cgi?FFRRA-20080107

Credits

Vulnerability reported by Fourteenforty Research Institute.

ChangeLog

2008-01-07 : Initial release

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