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.
*CVSS:
| Base Score: | 6.8 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5.5 |
| Exploitability: | Unproven |
| Remediation Level: | Unavailable |
| Report Confidence: | Uncorroborated |
Consequences:
Gain Access
Remedy:
Refer to the JUSTSYSTEMS Web site for patch, upgrade, or suggested workaround information. See References.
References:
- FFRRA-20071025-1: 2007 JSTARO4.OCX.
- FFRRA-20071025-2: 2007 JSTARO4.OCX.
- JUSTSYSTEMS Web site: Ichitaro security renewal module. (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
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
Reported:
Oct 25, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.