What’s Vulnerable › Vulnerabilities

CVE-2006-6400

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2006-12-10 · updated 2026-06-16
• Weakness: CWE-119

Description

Buffer overflow in JustSystems Hanako 2004 through 2006, Hanako viewer 1.x, Ichitaro 2004, Ichitaro 2005, Ichitaro Lite2, Ichitaro viewer 4.x, and Sanshiro 2005 allows remote attackers to execute arbitrary code via the (1) Keyword and (2) Title fields, related to string length fields.

Affected products

• Justsystem Hanako: 2004, 2005, 2006
• Justsystem Hanako Viewer: 1.0
• Justsystem Ichitaro: 2005, 2006
• Justsystem Ichitaro Lite2: r2
• Justsystem Ichitaro Viewer: 4.0
• Justsystem Sanshiro: 2005

References

• http://jvn.jp/jp/JVN%2347272891/index.html
• http://secunia.com/advisories/23185
• http://securitytracker.com/id?1017336
• http://www.justsystem.co.jp/info/pd6005.html
• http://www.lac.co.jp/business/sns/intelligence/SNSadvisory_e/92_e.html
• http://www.securityfocus.com/bid/21445
• http://www.vupen.com/english/advisories/2006/4857
• http://jvn.jp/jp/JVN%2347272891/index.html
• http://secunia.com/advisories/23185
• http://securitytracker.com/id?1017336
• http://www.justsystem.co.jp/info/pd6005.html
• http://www.lac.co.jp/business/sns/intelligence/SNSadvisory_e/92_e.html

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