{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-22636",
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "\n\n\n\n\n\n\nTexas 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. \n\n\n\n\n\n\n\n"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-190: Integer Overflow or Wraparound",
                        "cweId": "CWE-190"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Texas Instruments",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "CC32XX",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "4.40.00.07"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SimpleLink MSP432E4XX",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "all versions"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SimpleLink-CC13XX",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "4.40.00"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SimpleLink-CC26XX",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "4.40.00"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SimpleLink-CC32XX",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "4.10.03"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04",
                "refsource": "MISC",
                "name": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04"
            },
            {
                "url": "https://www.ti.com/tool/TI-RTOS-MCU",
                "refsource": "MISC",
                "name": "https://www.ti.com/tool/TI-RTOS-MCU"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "discovery": "EXTERNAL"
    },
    "solution": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<div>Texas Instruments CC32XX \u2013 Update to v4.40.00.07</div><div>Texas Instruments SimpleLink CC13X0 \u2013 <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html\">Update to v4.10.03</a></div><div>Texas Instruments SimpleLink CC13X2-CC26X2 \u2013 <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html\">Update to v4.40.00</a></div><div>Texas Instruments SimpleLink CC2640R2 \u2013 <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html\">Update to v4.40.00</a></div><div>Texas Instruments SimpleLink MSP432E4 \u2013 Confirmed. No update currently planned</div>\n\n<br>"
                }
            ],
            "value": "Texas Instruments CC32XX \u2013 Update to v4.40.00.07\n\nTexas Instruments SimpleLink CC13X0 \u2013  Update to v4.10.03 https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html \n\nTexas Instruments SimpleLink CC13X2-CC26X2 \u2013  Update to v4.40.00 https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html \n\nTexas Instruments SimpleLink CC2640R2 \u2013  Update to v4.40.00 https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html \n\nTexas Instruments SimpleLink MSP432E4 \u2013 Confirmed. No update currently planned\n\n\n\n\n"
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA."
        }
    ],
    "impact": {
        "cvss": [
            {
                "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"
            }
        ]
    }
}