CVE-2006-6400
CVE-2006-6400 is a medium-severity vulnerability in Justsystem Hanako with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.8)
- EPSS exploit prediction: 3% (86th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Justsystem Hanako
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2006-6400?
- 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.
- How severe is CVE-2006-6400?
- CVE-2006-6400 has a CVSS 2.0 base score of 6.8, rated medium severity.
- Is CVE-2006-6400 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-6400?
- CVE-2006-6400 primarily affects Justsystem Hanako. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2006-6400?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2006-6400 published?
- CVE-2006-6400 was published on 2006-12-10 and last updated on 2026-06-16.
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
Affected products (11)
- cpe:2.3:a:justsystem:hanako:2004:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:hanako:2005:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:hanako:2006:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:hanako_viewer:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:ichitaro:*:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:ichitaro:2005:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:ichitaro:2006:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:ichitaro_lite2:*:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:ichitaro_lite2:r2:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:ichitaro_viewer:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:justsystem:sanshiro:2005:*:*:*:*:*:*:*
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