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CVE-2017-2789

Quick assessment

Affected
JustSystems 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JustSystems公司的一套文字处理软件。Ichitaro word是其中的一个文字处理器。 JustSystems Ichitaro中的Ichitaro word处理器存在基于堆的缓冲区溢出漏洞。攻击者可利用该漏洞在应用程序的上下文中执行代码。

AI Predicted 8.8 Difficulty: Easy EPSS 2.34% · P82
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I. Basic Information for CVE-2017-2789

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When copying filedata into a buffer, JustSystems Ichitaro Office 2016 Trial will calculate two values to determine how much data to copy from the document. If both of these values are larger than the size of the buffer, the application will choose the smaller of the two and trust it to copy data from the file. This value is larger than the buffer size, which leads to a heap-based buffer overflow. This overflow corrupts an offset in the heap used in pointer arithmetic for writing data and can lead to code execution under the context of the application.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
JustSystems Ichitaro 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JustSystems Ichitaro是日本JustSystems公司的一套文字处理软件。Ichitaro word是其中的一个文字处理器。 JustSystems Ichitaro中的Ichitaro word处理器存在基于堆的缓冲区溢出漏洞。攻击者可利用该漏洞在应用程序的上下文中执行代码。
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
JustSystems Ichitaro n/a -

II. Public POCs for CVE-2017-2789

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III. Intelligence Information for CVE-2017-2789

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Vendor Advisories for CVE-2017-2789 (1)

Other References for CVE-2017-2789 (1)

Same Patch Batch · JustSystems · 2017-02-24 · 3 CVEs total

CVE-2017-2790 JustSystems Ichitaro 缓冲区错误漏洞
CVE-2017-2791 JustSystems Ichitaro 安全漏洞

IV. Related Vulnerabilities

Same product: Ichitaro
Same vendor: JustSystems

V. Comments for CVE-2017-2789

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