Memory corruption vulnerability in Rakuraku Hagaki (Rakuraku Hagaki 2018, Rakuraku Hagaki 2017, Rakuraku Hagaki 2016) and Rakuraku Hagaki Select for Ichitaro (Ichitaro 2017, Ichitaro 2016, Ichitaro 2015, Ichitaro Pro3, Ichitaro Pro2, Ichitaro Pro, Ichitaro 2011, Ichitaro Government 8, Ichitaro Government 7, Ichitaro Government 6 and Ichitaro 2017 Trial version) allows attackers to execute arbitrary code with privileges of the application via specially crafted file.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 14 products from justsystems, from justsystems, from justsystems and 11 others, organizations running these solutions should prioritize assessment and patching.
First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.
2017-11-02T15:29:00.243
2026-06-17T01:00:50.953
Modified
CVSSv3.0: 7.8 (HIGH)
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | justsystems | easy_postcard_2016 | - | Yes |
| Application | justsystems | easy_postcard_2017 | - | Yes |
| Application | justsystems | easy_postcard_2018 | - | Yes |
| Application | justsystems | ichitaro_2016 | - | Yes |
| Application | justsystems | ichitaro_2017 | - | Yes |
| Application | justsystems | ichitaro_2017_trial_version | - | Yes |
| Application | justsystems | ichitaro_2018 | - | Yes |
| Application | justsystems | ichitaro_government_6 | - | Yes |
| Application | justsystems | ichitaro_government_7 | - | Yes |
| Application | justsystems | ichitaro_government_8 | - | Yes |
| Application | justsystems | ichitaro_pro | - | Yes |
| Application | justsystems | ichitaro_pro_2 | - | Yes |
| Application | justsystems | ichitaro_pro_2011 | - | Yes |
| Application | justsystems | ichitaro_pro_3 | - | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For justsystems's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.