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CVE-2017-14201— The shell DNS command can cause unpredictable results due to misuse of stack variables.

Quick assessment

Affected
Zephyr shell
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.

Zephyr是一套开源的小型的可缩放的实时操作系统。 Zephyr shell 1.14.0之前版本中存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。

AI Predicted 8.1 Difficulty: Easy EPSS 1.20% · P65
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I. Basic Information for CVE-2017-14201

Vulnerability Information
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Vulnerability Title
The shell DNS command can cause unpredictable results due to misuse of stack variables.
Source: CVE Program / CVE List V5
Vulnerability Description
Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Zephyr 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是一套开源的小型的可缩放的实时操作系统。 Zephyr shell 1.14.0之前版本中存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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
Zephyr shell prior to 1.14.0 -

II. Public POCs for CVE-2017-14201

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III. Intelligence Information for CVE-2017-14201

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Patches & Fixes for CVE-2017-14201 (1)

Other References for CVE-2017-14201 (2)

IV. Related Vulnerabilities

Same product: shell
Same vendor: Zephyr
Same weakness: CWE-416

V. Comments for CVE-2017-14201

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