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CVE-2007-5687

9.3 · HIGH

Multiple buffer overflows in the rich text processing functionality in JustSystems Ichitaro 2004 through 2007, 11 through 13, and other versions allow remote attackers to execute arbitrary code via…

Published Oct 28, 2007justsystemCWE-119EPSS 5.74%

Overview

CVE-2007-5687 is a high-severity vulnerability affecting justsystem ichitaro. It was published on October 28, 2007 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

Multiple buffer overflows in the rich text processing functionality in JustSystems Ichitaro 2004 through 2007, 11 through 13, and other versions allow remote attackers to execute arbitrary code via a long (1) pard field or (2) font name in the fcharset0 field, which is not properly handled in (a) JSTARO4.OCX; or (3) a long title, which is not properly handled by (b) TJSVDA.DLL.

Remediation

Check the references section for vendor advisories and patches from justsystem. 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/jp/JVN%2329211062/index.htmlRefjvn.jp/jp/JVN%2332981509/index.htmlRefjvn.jp/jp/JVN%2350495547/index.htmlRefosvdb.org/39394Refsecunia.com/advisories/27393Refwww.fourteenforty.jp/research/advisory.cgi?FFRRA-20071025-1Refwww.fourteenforty.jp/research/advisory.cgi?FFRRA-20071025-2Refwww.fourteenforty.jp/research/advisory.cgi?FFRRA-20071025-3Refwww.ipa.go.jp/security/vuln/200710_Ichitaro.htmlRefwww.justsystems.com/jp/info/pd7004.html

How CyberStrike helps

Frequently asked questions

What is CVE-2007-5687?

CVE-2007-5687 is a high-severity vulnerability affecting justsystem ichitaro. It was published on October 28, 2007 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2007-5687?

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-2007-5687?

Check the references section for vendor advisories and patches from justsystem. 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-2007-5687?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-5687 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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