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CVE-2009-4737

9.3 · HIGH

Stack-based buffer overflow in JustSystems Corporation Ichitaro 13, 2004 through 2009, Viewer 2009 19.0.1.0 and earlier, and other versions allows context-dependent attackers to execute arbitrary c…

Published Apr 6, 2010justsystemsCWE-119EPSS 3.48%

Overview

CVE-2009-4737 is a high-severity vulnerability affecting justsystems ichitaro. It was published on April 6, 2010 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Stack-based buffer overflow in JustSystems Corporation Ichitaro 13, 2004 through 2009, Viewer 2009 19.0.1.0 and earlier, and other versions allows context-dependent attackers to execute arbitrary code via a crafted Rich Text File (RTF), related to "pvpara ffooter."

Remediation

Check the references section for vendor advisories and patches from justsystems. Update ichitaro to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refjvn.jp/en/jp/JVN33846134/index.htmlRefjvndb.jvn.jp/ja/contents/2009/JVNDB-2009-000018.htmlRefsecunia.com/advisories/34611Refwww.fourteenforty.jp/research/advisory.cgi?FFRRA-20090407Refwww.ipa.go.jp/security/vuln/documents/2009/200904_ichitaro.htmlRefwww.justsystems.com/jp/info/js09002.htmlRefwww.osvdb.org/53349Refwww.securityfocus.com/bid/34403Refwww.vupen.com/english/advisories/2009/0957Refexchange.xforce.ibmcloud.com/vulnerabilities/49739

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4737?

CVE-2009-4737 is a high-severity vulnerability affecting justsystems ichitaro. It was published on April 6, 2010 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2009-4737?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-4737?

Check the references section for vendor advisories and patches from justsystems. Update ichitaro to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-4737?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4737 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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