CVE-2023-38127

moderate-risk
Published 2023-10-19

An integer overflow exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause the parser to make an under-sized allocation, which can later allow for memory corruption, potentially resulting in arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Do I need to act?

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0.20% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (19)

Easy Postcard Max
Ichitaro 2021
Ichitaro 2022
Ichitaro 2023
Ichitaro Government 10
Ichitaro Government 8
Ichitaro Government 9
Ichitaro Pro 3
Ichitaro Pro 4
Ichitaro Pro 5
Just Government 3
Just Government 4
Just Government 5
Just Office 3
Just Office 4
Just Office 5
Just Police 3
Just Police 4
Just Police 5

Affected Vendors

44
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 19/34 · Moderate