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CVE-2021-27421— NXP MCUXpresso SDK Integer Overflow or Wraparound

Quick assessment

Affected
NXP MCUXpresso SDK
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.

NXP MCUXpresso Software Development Kit是荷兰NXP公司的一个应用系统。用于简化和加速应用程序的开发与ARM的Cortex恩智浦基于-M的设备，包括通用，交叉和蓝牙的微控制器。 NXP MCUXpresso Software Development Kit 2.8.2之前版本存在输入验证错误漏洞，该漏洞允许访问指定数组边界之外的内存位置，导致意外的行为，如通过Malloc从堆中分配特定的内存块时分段错误。

CVSS 7.3 · High EPSS 0.84% · P55

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-27421

Vulnerability Information
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Vulnerability Title
NXP MCUXpresso SDK Integer Overflow or Wraparound
Source: CVE Program / CVE List V5
Vulnerability Description
NXP MCUXpresso SDK versions prior to 2.8.2 are vulnerable to integer overflow in SDK_Malloc function, which could allow to access memory locations outside the bounds of a specified array, leading to unexpected behavior such segmentation fault when assigning a particular block of memory from the heap via malloc.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
NXP MCUXpresso Software Development Kit 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NXP MCUXpresso Software Development Kit是荷兰NXP公司的一个应用系统。用于简化和加速应用程序的开发与ARM的Cortex恩智浦基于-M的设备，包括通用，交叉和蓝牙的微控制器。 NXP MCUXpresso Software Development Kit 2.8.2之前版本存在输入验证错误漏洞，该漏洞允许访问指定数组边界之外的内存位置，导致意外的行为，如通过Malloc从堆中分配特定的内存块时分段错误。
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
NXP MCUXpresso SDK unspecified ~ 2.8.2 -

II. Public POCs for CVE-2021-27421

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III. Intelligence Information for CVE-2021-27421

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Vendor Advisories for CVE-2021-27421 (1)

Other References for CVE-2021-27421 (1)

IV. Related Vulnerabilities

Same vendor: NXP
Same weakness: CWE-190

V. Comments for CVE-2021-27421

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