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CVE-2014-7247 is a stack-based buffer overflow in JustSystems Ichitaro that permits arbitrary code execution through a crafted document. The overflow allows an attacker to overwrite a return address and execute shellcode. Affected products include Ichitaro 2008 through 2011; Ichitaro Government 6, 7, 2008, 2009, and 2010; Ichitaro Pro and Pro 2; Ichitaro 2011 Sou; Ichitaro 2012 Shou; Ichitaro 2013 Gen; and Ichitaro 2014 Tetsu. The vulnerability was exploited as a zero-day in targeted email campaigns against Japanese government agencies and enterprises.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remote code execution vulnerability affecting multiple Ichitaro products. The in-the-wild Trojan TROJ_TARODROP.YH contains code targeting this vulnerability, but the report states that coding errors prevent the sample from performing its routines; successful exploitation by this sample is therefore not established.
A zero-day arbitrary code execution vulnerability in the Japan-specific Ichitaro word processor caused by a stack overflow in JCXCALC.DLL copy processing.
A crafted-file vulnerability in JustSystems Ichitaro that permits arbitrary code execution. The report identifies it among exploits found in USB-borne malware entering industrial environments.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.