JustSystems Ichitaro JSGCI.DLL buffer overflow
| justsystems-jsgci-bo (39025) |  High Risk |
Description:
JustSystems Ichitaro is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the JSGCI.DLL library when processing malicious documents. By persuading a victim to open a specially-crafted document, 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 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Apply the appropriate patch for your system, available for users from the JUSTSYSTEMS Web site. See References.
References:
- JUSTSYSTEMS Web site: Ichitaro security renewal module. (Web site is inJapanese)
- Symantec Web site: Trojan.Tarodrop.F.
- BID-26846: JustSystems Ichitaro JSGCI.DLL Unspecified Stack Buffer Overflow Vulnerability
- CVE-2007-6436: Stack-based buffer overflow in JSGCI.DLL in JustSystems Ichitaro 2005, 2006, and 2007 allows user-assisted remote attackers to execute arbitrary code via a crafted document, as actively exploited in December 2007 by the Tarodrop.F trojan. NOTE: some of these details are obtained from third party information.
- SA27992: JustSystems Ichitaro Document Processing Buffer Overflow
- VUPEN/ADV-2007-4213: JustSystems Ichitaro JSGCI.DLL Library Buffer Overflow Vulnerability
Platforms Affected:
- JustSystems Ichitaro 2005
- JustSystems Ichitaro 2006
- JustSystems Ichitaro 2007
Reported:
Dec 13, 2007
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For corrections or additions please email xforce@iss.net
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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.