{"id":"CVE-2021-27504","state":"PUBLISHED","title":"Texas Instruments FREERTOS Integer Overflow or Wraparound","description":"Texas Instruments devices running FREERTOS, malloc returns a valid \npointer to a small buffer on extremely large values, which can trigger \nan integer overflow vulnerability in 'malloc' for FreeRTOS, resulting in\n code execution.","publishedAt":"2023-11-21T17:43:12.120Z","updatedAt":"2024-08-03T21:26:09.768Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"icscert"},"assigner":"icscert","products":["Texas Instruments CC32XX","Texas Instruments SimpleLink MSP432E4XX","Texas Instruments SimpleLink-CC13XX","Texas Instruments SimpleLink-CC26XX","Texas Instruments SimpleLink-CC32XX"],"affected":[{"vendor":"Texas Instruments","product":"CC32XX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.40.00.07","versionType":"custom"}]},{"vendor":"Texas Instruments","product":"SimpleLink MSP432E4XX","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"Texas Instruments","product":"SimpleLink-CC13XX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.40.00","versionType":"custom"}]},{"vendor":"Texas Instruments","product":"SimpleLink-CC26XX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.40.00","versionType":"custom"}]},{"vendor":"Texas Instruments","product":"SimpleLink-CC32XX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.10.03","versionType":"custom"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04","https://www.ti.com/tool/TI-RTOS-MCU"],"weaknesses":["CWE-190"],"ingestedAt":"2026-10-29T19:48:15.637Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/27xxx/CVE-2021-27504.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-27504","state":"PUBLISHED","datePublished":"2023-11-21T17:43:12.120Z","dateUpdated":"2024-08-03T21:26:09.768Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2021-02-19T17:45:42.346Z"},"containers":{"cna":{"title":"Texas Instruments FREERTOS Integer Overflow or Wraparound","descriptions":[{"lang":"en","value":"Texas Instruments devices running FREERTOS, malloc returns a valid \npointer to a small buffer on extremely large values, which can trigger \nan integer overflow vulnerability in 'malloc' for FreeRTOS, resulting in\n code execution."}],"affected":[{"vendor":"Texas Instruments","product":"CC32XX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.40.00.07","versionType":"custom"}]},{"vendor":"Texas Instruments","product":"SimpleLink MSP432E4XX","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"Texas Instruments","product":"SimpleLink-CC13XX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.40.00","versionType":"custom"}]},{"vendor":"Texas Instruments","product":"SimpleLink-CC26XX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.40.00","versionType":"custom"}]},{"vendor":"Texas Instruments","product":"SimpleLink-CC32XX","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.10.03","versionType":"custom"}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04"},{"url":"https://www.ti.com/tool/TI-RTOS-MCU"}],"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":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2023-11-21T17:43:12.120Z"},"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."}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Texas Instruments CC32XX – Update to v4.40.00.07
Texas Instruments SimpleLink MSP432E4 – Confirmed. No update currently planned
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