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CVE-2021-27417— eCosCentric eCosPro RTOS Integer Overflow or Wraparound

Quick assessment

Affected
eCosCentric eCosPro RTOS
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.

eCosCentric eCosPro是美国eCosCentric公司的一个应用软件。将商业嵌入式应用程序开发所需的功能集，稳定性和 支持质量与eCos结合在一起。 eCosCentric eCosPro 2.0.1 版本到 4.5.3 版本存在输入验证错误漏洞，该漏洞源于未验证的内存分配可能导致任意的内存分配，从而导致基于堆的缓冲区溢出。

CVSS 4.6 · Medium EPSS 0.58% · P45

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-27417

Vulnerability Information
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Vulnerability Title
eCosCentric eCosPro RTOS Integer Overflow or Wraparound
Source: CVE Program / CVE List V5
Vulnerability Description
eCosCentric eCosPro RTOS Versions 2.0.1 through 4.5.3 are vulnerable to integer wraparound in function calloc (an implementation of malloc). The unverified memory assignment can lead to arbitrary memory allocation, resulting in a heap-based buffer overflow.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:H
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
eCosCentric eCosPro 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
eCosCentric eCosPro是美国eCosCentric公司的一个应用软件。将商业嵌入式应用程序开发所需的功能集，稳定性和 支持质量与eCos结合在一起。 eCosCentric eCosPro 2.0.1 版本到 4.5.3 版本存在输入验证错误漏洞，该漏洞源于未验证的内存分配可能导致任意的内存分配，从而导致基于堆的缓冲区溢出。
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
eCosCentric eCosPro RTOS 2.0.1 ~ 4.5.3 -

II. Public POCs for CVE-2021-27417

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III. Intelligence Information for CVE-2021-27417

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Vendor Advisories for CVE-2021-27417 (1)

Other References for CVE-2021-27417 (1)

IV. Related Vulnerabilities

Same weakness: CWE-190

V. Comments for CVE-2021-27417

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