An unquoted search path vulnerability exists in 'JustSystems JUST Online Update for J-License' bundled with multiple products for corporate users as in Ichitaro through Pro5 and others. Since the affected product starts another program with an unquoted file path, a malicious file may be executed with the privilege of the Windows service if it is placed in a certain path. Affected products are bundled with the following product series: Office and Office Integrated Software, ATOK, Hanako, JUST PDF, Shuriken, Homepage Builder, JUST School, JUST Smile Class, JUST Smile, JUST Frontier, JUST Jump, and Tri-De DetaProtect.

Untrusted search path vulnerability in Hanako 2017, Hanako 2016, Hanako 2015, Hanako Pro 3, JUST Office 3 [Standard], JUST Office 3 [Eco Print Package], JUST Office 3 & Tri-De DataProtect Package, JUST Government 3, JUST Jump Class 2, JUST Frontier 3, JUST School 6 Premium, Hanako Police 5, JUST Police 3, Hanako 2017 trial version allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.