Zero-day exploit for Japanese word processor Ichitaro

Posted by   Virus Bulletin on   Dec 18, 2007

Trend Micro notes increase in regionally targeted attacks as trojan becomes latest to exploit a Ichitaro flaw.

A trojan has been found to be exploiting a buffer overflow vulnerability in popular Japanese word processing package Ichitaro. According to analysts at Trend Micro a backdoor trojan is installed when a malicious .JTD file is opened in Ichitaro 2006 running on the Japanese version of Windows XP SP2. Trend detects the malicious .JTD file as TROJ_TARODROP.AB, and the backdoor it installs as BKDR_AGENT.AIAJ.

Trend researchers note that the number of targeted attacks on Japanese applications has increased over the past 12 months - and that this is the second Ichitaro exploit in the space of six months.

The vulnerability is reported by Symantec in an advisory here. More from Trend analysts can be found in their blog here. For users of Ichitaro a security update patching the vulnerability can be downloaded here.

Posted on 18 December 2007 by Virus Bulletin

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