PT-2011-3062 · Justsystems · Ichitaro+4

Published 2011-07-18 · Updated 2017-08-17 · CVE-2011-1331

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions JustSystems Ichitaro versions 2005 through 2011 JustSystems Ichitaro Government versions 6 and 2006 through 2010 JustSystems Ichitaro Portable JustSystems Ichitaro Pro JustSystems Ichitaro Viewer

Description The issue allows remote attackers to execute arbitrary code or cause a denial of service due to heap memory corruption via a crafted document. This has been exploited in the wild in early 2011.

Recommendations For JustSystems Ichitaro versions 2005 through 2011, update to a version that is not affected by this issue. For JustSystems Ichitaro Government versions 6 and 2006 through 2010, update to a version that is not affected by this issue. For JustSystems Ichitaro Portable, JustSystems Ichitaro Pro, and JustSystems Ichitaro Viewer, update to a version that is not affected by this issue. As a temporary workaround, consider avoiding the use of crafted documents until a patch is available.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-1331

Affected Products

Ichitaro

Ichitaro Government

Ichitaro Portable

Ichitaro Pro

Ichitaro Viewer

References · 8

• 🔥 http://symantec.com/connect/blogs/targeted-attacks-2011-using-ichitaro-zero-day-vulnerability · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-1331 · Security Note
• http://justsystems.com/jp/info/js11001.html · Vendor Advisory
• http://secunia.com/advisories/44956 · Vendor Advisory
• http://jvn.jp/en/jp/JVN87239473/index.html · Note
• http://securityfocus.com/bid/48283 · Note
• http://jvndb.jvn.jp/jvndb/JVNDB-2011-000043 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/68072 · Note