CVE-2020-6656— File parsing Type Confusion Remote code execution vulerability
Quick assessment
Affected
Eaton easySoft Software
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.
Eaton Easysoft是美国伊顿（Eaton）公司的一款应用于工业领域的编程应用。该软件用于用于对Easy控制器和显示器进行编程，可对电路图按照格式进行编辑和展示。 Eaton easySoft software v7.20 存在安全漏洞，攻击者可利用该漏洞执行恶意代码或通过欺骗用户在应用程序中上传格式不正确的.e70文件使应用程序崩溃。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-6656
Vulnerability Information
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Vulnerability Title
File parsing Type Confusion Remote code execution vulerability
Source: CVE Program / CVE List V5
Vulnerability Description
Eaton's easySoft software v7.xx prior to v7.22 are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: CVE Program / CVE List V5
Vulnerability Title
Eaton Easysoft 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eaton Easysoft是美国伊顿（Eaton）公司的一款应用于工业领域的编程应用。该软件用于用于对Easy控制器和显示器进行编程，可对电路图按照格式进行编辑和展示。 Eaton easySoft software v7.20 存在安全漏洞，攻击者可利用该漏洞执行恶意代码或通过欺骗用户在应用程序中上传格式不正确的.e70文件使应用程序崩溃。
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 |
|---|---|---|---|---|
| Eaton | easySoft Software | v7.xx prior to v7.22 | - |
|
II. Public POCs for CVE-2020-6656
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-6656 (3)
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https://www.zerodayinitiative.com/advisories/ZDI-20-1442/ x_refsource_MISC
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https://www.zerodayinitiative.com/advisories/ZDI-20-1441/ x_refsource_MISC
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https://www.zerodayinitiative.com/advisories/ZDI-20-1444/ x_refsource_MISC
Other References for CVE-2020-6656 (1)
IV. Related Vulnerabilities
Same weakness: CWE-843
V. Comments for CVE-2020-6656
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