CVE-2021-22636

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.4 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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

Link	Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04	Third Party Advisory US Government Resource
https://www.ti.com/tool/TI-RTOS-MCU	Product
https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04	Third Party Advisory US Government Resource
https://www.ti.com/tool/TI-RTOS-MCU	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:ti:real-time_operating_system:-:*:*:*:*:*:*:*

OR	cpe:2.3:h:ti:cc3200:-:::::::*
	cpe:2.3:h:ti:cc3220r:-:::::::*
	cpe:2.3:h:ti:cc3220s:-:::::::*
	cpe:2.3:h:ti:cc3220sf:-:::::::*
	cpe:2.3:h:ti:cc3230s:-:::::::*
	cpe:2.3:h:ti:cc3230sf:-:::::::*
	cpe:2.3:h:ti:cc3235s:-:::::::*
	cpe:2.3:h:ti:cc3235sf:-:::::::*

Configuration 2 (hide)

OR	cpe:2.3:a:ti:simplelink_cc13xx_software_development_kit::::::::
	cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit::::::::
	cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit::::::::
	cpe:2.3:a:ti:simplelink_msp432e401y:-:::::::*
	cpe:2.3:a:ti:simplelink_msp432e411y:-:::::::*

History

21 Nov 2024, 05:50

Type	Values Removed	Values Added
References	~~() https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04 - Third Party Advisory, US Government Resource~~	() https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04 - Third Party Advisory, US Government Resource
References	~~() https://www.ti.com/tool/TI-RTOS-MCU - Product~~	() https://www.ti.com/tool/TI-RTOS-MCU - Product
CVSS	v2 : ~~unknown~~ v3 : ~~7.8~~	v2 : unknown v3 : 7.4

Information

Published : 2023-11-20 19:15

Updated : 2024-11-21 05:50

NVD link : CVE-2021-22636

Mitre link : CVE-2021-22636

CVE.ORG link : CVE-2021-22636

JSON object : View

Products Affected

CWE

CWE-190

Integer Overflow or Wraparound

{"id": "CVE-2021-22636", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.4}, {"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2023-11-20T19:15:08.173", "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04", "tags": ["Third Party Advisory", "US Government Resource"], "source": "[email protected]"}, {"url": "https://www.ti.com/tool/TI-RTOS-MCU", "tags": ["Product"], "source": "[email protected]"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.ti.com/tool/TI-RTOS-MCU", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-190"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "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"}, {"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 'HeapMem_allocUnprotected' y provocar la ejecuci\u00f3n de c\u00f3digo."}], "lastModified": "2024-11-21T05:50:21.587", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:ti:real-time_operating_system:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E289611E-871B-433E-BF10-CDABF650AAC9"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:ti:cc3200:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E1738237-A64A-40A3-B201-7E0005CCA3A2"}, {"criteria": "cpe:2.3:h:ti:cc3220r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D436F6E3-B044-457E-B67D-9C76105F0847"}, {"criteria": "cpe:2.3:h:ti:cc3220s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EE6E103B-F34A-477C-907D-B4EAE295D90E"}, {"criteria": "cpe:2.3:h:ti:cc3220sf:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "71ABA01C-4CB1-4DD5-9263-79A58BED3A9B"}, {"criteria": "cpe:2.3:h:ti:cc3230s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E34FD25E-D5C2-40F0-81E2-A8A102934E8C"}, {"criteria": "cpe:2.3:h:ti:cc3230sf:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3408EEBE-25EC-4CEA-8E96-DCFF7C66B3F6"}, {"criteria": "cpe:2.3:h:ti:cc3235s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "370E65A3-17A4-4E05-BB4A-6C09BB5249CA"}, {"criteria": "cpe:2.3:h:ti:cc3235sf:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B06F9E6A-690D-4E95-ADD4-927995EE5523"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ti:simplelink_cc13xx_software_development_kit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "97B4CA27-1024-4347-8C0B-A8848950CB5B", "versionEndExcluding": "4.40.00"}, {"criteria": "cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BCC0C102-7DCB-4959-91C6-ECA8429BB1A2", "versionEndExcluding": "4.40.00"}, {"criteria": "cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "61CF4AB1-347E-42F9-89FB-350445ED7E70", "versionEndExcluding": "4.10.03"}, {"criteria": "cpe:2.3:a:ti:simplelink_msp432e401y:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "538BC9EE-7C51-41CC-9A58-5FEB3261EF7C"}, {"criteria": "cpe:2.3:a:ti:simplelink_msp432e411y:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC7C493D-DAC1-4FBD-A056-C9D5CF98F9E0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}