{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2021-22636", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2021-01-05T18:23:02.914Z", "datePublished": "2023-11-20T19:02:30.434Z", "dateUpdated": "2023-11-20T19:04:56.253Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "CC32XX", "vendor": "Texas Instruments", "versions": [{"lessThan": "4.40.00.07", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "SimpleLink MSP432E4XX", "vendor": "Texas Instruments", "versions": [{"status": "affected", "version": "all versions"}]}, {"defaultStatus": "unaffected", "product": "SimpleLink-CC13XX", "vendor": "Texas Instruments", "versions": [{"lessThan": "4.40.00", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "SimpleLink-CC26XX", "vendor": "Texas Instruments", "versions": [{"lessThan": "4.40.00", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "SimpleLink-CC32XX", "vendor": "Texas Instruments", "versions": [{"lessThan": "4.10.03", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "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."}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "\n\n<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">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. </span>\n\n</span>\n\n</span>\n\n</span>\n\n"}], "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"}], "metrics": [{"cvssV3_1": {"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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "CWE-190: Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2023-11-20T19:04:56.253Z"}, "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04"}, {"url": "https://www.ti.com/tool/TI-RTOS-MCU"}], "solutions": [{"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"}], "source": {"discovery": "EXTERNAL"}, "title": "Texas Instruments TI-RTOS Integer Overflow or Wraparound", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

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