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I. Basic Information for CVE-2021-27502
Vulnerability Information
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Vulnerability Title
Texas Instruments TI-RTOS Integer Overflow or Wraparound
Source: NVD (National Vulnerability Database)
Vulnerability Description
Texas Instruments TI-RTOS, when configured to use HeapMem heap(default), malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'HeapMem_allocUnprotected' and result in code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
Texas Instruments TI-RTOS-MCU 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Texas Instruments TI-RTOS-MCU是美国德州仪器（Texas Instruments）公司的一个应用系统。用于微控制器 (MCU) 的实时操作系统 (RTOS)。 Texas Instrument TI-RTOS 存在输入验证错误漏洞，该漏洞源于当配置为使用HeapMem堆(默认)时，malloc返回一个有效的指针，指向一个非常大的值上的一个小缓冲区，这可能会触发HeapMem alloc未保护的整数溢出漏洞，并导致代码执行。
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
VendorProductAffected VersionsCPESubscribe
Texas InstrumentsCC32XX 0 ~ 4.40.00.07 -
Texas InstrumentsSimpleLink MSP432E4XX all versions -
Texas InstrumentsSimpleLink-CC13XX 0 ~ 4.40.00 -
Texas InstrumentsSimpleLink-CC26XX 0 ~ 4.40.00 -
Texas InstrumentsSimpleLink-CC32XX 0 ~ 4.10.03 -
II. Public POCs for CVE-2021-27502
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III. Intelligence Information for CVE-2021-27502
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IV. Related Vulnerabilities
Same product: CC32XX
Same vendor: Texas Instruments
Same weakness: CWE-190
V. Comments for CVE-2021-27502

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