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FKIE_CVE-2021-27502

Vulnerability from fkie_nvd - Published: 2023-11-21 18:15 - Updated: 2026-06-17 03:44
Severity
7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
ics-cert@hq.dhs.govhttps://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04Third Party Advisory, US Government Resource
ics-cert@hq.dhs.govhttps://www.ti.com/tool/TI-RTOS-MCUProduct
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://www.ti.com/tool/TI-RTOS-MCUProduct
Impacted products
Vendor Product Version
ti real-time_operating_system -
ti cc3200 -
ti cc3220r -
ti cc3220s -
ti cc3220sf -
ti cc3230s -
ti cc3230sf -
ti cc3235s -
ti cc3235sf -
ti simplelink_cc13xx_software_development_kit *
ti simplelink_cc26xx_software_development_kit *
ti simplelink_cc32xx_software_development_kit *
ti simplelink_msp432e401y -
ti simplelink_msp432e411y -
To clipboard 

{
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    {
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          "product": "CC32XX",
          "vendor": "Texas Instruments",
          "versions": [
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              "version": "0",
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            }
          ]
        },
        {
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          "product": "SimpleLink MSP432E4XX",
          "vendor": "Texas Instruments",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
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          ]
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      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Texas Instruments TI-RTOS, when configured to use HeapMem heap(default),\n malloc returns a valid pointer to a small buffer on extremely large \nvalues, which can trigger an integer overflow vulnerability in \n\u0027HeapMem_allocUnprotected\u0027 and result in code execution."
    },
    {
      "lang": "es",
      "value": "Texas Instruments TI-RTOS, cuando se configura para usar el heap HeapMem (predeterminado), malloc devuelve un puntero v\u00e1lido a un b\u00fafer peque\u00f1o en valores extremadamente grandes, lo que puede desencadenar una vulnerabilidad de desbordamiento de enteros en \u0027HeapMem_allocUnprotected\u0027 y provocar la ejecuci\u00f3n de c\u00f3digo."
    }
  ],
  "id": "CVE-2021-27502",
  "lastModified": "2026-06-17T03:44:59.430",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.4,
        "impactScore": 5.9,
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-11-21T18:15:07.510",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Product"
      ],
      "url": "https://www.ti.com/tool/TI-RTOS-MCU"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://www.ti.com/tool/TI-RTOS-MCU"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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