Vulnerability CVE-2011-1331
Published: 2011-07-18   Modified: 2012-02-13

Description:
JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro Portable, Ichitaro Pro, and Ichitaro Viewer allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document, as exploited in the wild in early 2011.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Justsystems -> Ichitaro 
Justsystems -> Ichitaro portable 
Justsystems -> Ichitaro pro 
Justsystems -> Ichitaro viewer 

 References:
http://www.justsystems.com/jp/info/js11001.html
http://xforce.iss.net/xforce/xfdb/68072
http://www.symantec.com/connect/blogs/targeted-attacks-2011-using-ichitaro-zero-day-vulnerability
http://www.securityfocus.com/bid/48283
http://secunia.com/advisories/44956
http://jvndb.jvn.jp/jvndb/JVNDB-2011-000043
http://jvn.jp/en/jp/JVN87239473/index.html
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