JustSystems Ichitaro JSTARO4.OCX buffer overflow
| justsystems-jstar04-bo (38130) |  High Risk |
Description:
JustSystems Ichitaro is vulnerable to multiple stack-based buffer overflows, caused by improper bounds checking by the JSTARO4.OCX object. By persuading a victim to open a specially-crafted Word document using a plug-in browser, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
Platforms Affected:
- JustSystems, Ichitaro 11
- JustSystems, Ichitaro 12
- JustSystems, Ichitaro 13
- JustSystems, Ichitaro 2004
- JustSystems, Ichitaro 2005
- JustSystems, Ichitaro 2006
- JustSystems, Ichitaro 2007
- JustSystems, Ichitaro for Linux
- JustSystems, Ichitaro Lite2
- JustSystems, Ichitaro viewer 4.x
Remedy:
Refer to the JUSTSYSTEMS Web site for patch, upgrade, or suggested workaround information. See References.
Consequences:
Gain Access
References:
- FFRRA-20071025-1, 2007 JSTARO4.OCX at http://www.fourteenforty.jp/research/advisory.cgi?FFRRA-20071025-1.
- FFRRA-20071025-2, 2007 JSTARO4.OCX at http://www.fourteenforty.jp/research/advisory.cgi?FFRRA-20071025-2.
- JUSTSYSTEMS Web site, Ichitaro security renewal module at http://www.justsystems.com/jp/info/pd7004.html. (Web site is inJapanese)
- BID-26206: JustSystem Ichitaro JSTARO4.OCX and TJSVDA.DLL Multiple Buffer Overflow Vulnerabilities
- CVE-2007-5687: 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.
- SA27393: JustSystems Ichitaro Document Processing Multiple Buffer Overflows
- VUPEN/ADV-2007-3623: JustSystems Ichitaro Document Handling Buffer Overflow Vulnerabilities
Reported:
Oct 25, 2007
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