CVE-2007-5687

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-10-28 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Justsystem Ichitaro: 11.0, 12.0, 13.0, 2004, 2005, 2006 (+2)

References

http://jvn.jp/jp/JVN%2329211062/index.html
http://jvn.jp/jp/JVN%2332981509/index.html
http://jvn.jp/jp/JVN%2350495547/index.html
http://osvdb.org/39394
http://secunia.com/advisories/27393
http://www.fourteenforty.jp/research/advisory.cgi?FFRRA-20071025-1
http://www.fourteenforty.jp/research/advisory.cgi?FFRRA-20071025-2
http://www.fourteenforty.jp/research/advisory.cgi?FFRRA-20071025-3
http://www.ipa.go.jp/security/vuln/200710_Ichitaro.html
http://www.justsystems.com/jp/info/pd7004.html
http://www.securityfocus.com/bid/26206
http://www.vupen.com/english/advisories/2007/3623

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