Date Discovered June 1, 2010
Description Ichitaro is prone to a remote code-execution vulnerability.
Attackers may exploit this issue to execute arbitrary code within the context of the vulnerable application. Failed attempts will result in a denial-of-service condition.
Ichitaro 2009 and prior versions are vulnerable.
- JustSystems Ichitaro 2004
- JustSystems Ichitaro 2005
- JustSystems Ichitaro 2006
- JustSystems Ichitaro 2007
- JustSystems Ichitaro 2008
- JustSystems Ichitaro 2009
Run all software as a nonprivileged user with minimal access rights. To limit the impact of latent vulnerabilities, run the vulnerable application as an unprivileged user with minimal access rights.
Deploy network intrusion detection systems to monitor network traffic for malicious activity. Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity such as unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.
Do not accept or execute files from untrusted or unknown sources. Do not accept or open documents from unknown or untrusted individuals.
Implement multiple redundant layers of security.
Various memory-protection schemes (such as nonexecutable and randomly mapped memory segments) may hinder an attacker's ability to exploit this vulnerability to execute arbitrary code.
The vendor has released an advisory and updates. Please see the references for more information.
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