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CVE-2022-43664

Quick assessment

Affected
Ichitaro Ichitaro
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

JustSystems Ichitaro是日本佳思腾（JustSystems）公司的一款日文文字处理软件。 JustSystems Ichitaro Word Processor 2022 1.0.1.57600版本存在资源管理错误漏洞，该漏洞源于存在内存释放后重用问题，攻击者利用该漏洞导致内存损坏并执行任意代码。

CVSS 7.8 · High EPSS 0.53% · P42
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I. Basic Information for CVE-2022-43664

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corruption and potentially result in arbitrary code execution. An attacker can provide a malicious document to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
JustSystems Ichitaro 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JustSystems Ichitaro是日本佳思腾（JustSystems）公司的一款日文文字处理软件。 JustSystems Ichitaro Word Processor 2022 1.0.1.57600版本存在资源管理错误漏洞，该漏洞源于存在内存释放后重用问题，攻击者利用该漏洞导致内存损坏并执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Ichitaro Ichitaro 2022 1.0.1.57600 -

II. Public POCs for CVE-2022-43664

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III. Intelligence Information for CVE-2022-43664

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Vendor Advisories for CVE-2022-43664 (1)

Other References for CVE-2022-43664 (1)

Same Patch Batch · Ichitaro · 2023-04-05 · 4 CVEs total

CVE-2022-45115 7.8 HIGH Ichitaro 安全漏洞
CVE-2023-22291 7.0 HIGH Ichitaro 2022 安全漏洞
CVE-2023-22660 7.0 HIGH JustSystems Ichitaro 安全漏洞

IV. Related Vulnerabilities

Same product: Ichitaro
Same vendor: Ichitaro
Same weakness: CWE-416

V. Comments for CVE-2022-43664

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