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[email protected]CVE-2021-22636

HistoryNov 20, 2023 - 7:15 p.m.

CVE-2021-22636

2023-11-2019:15:08

CWE-190

[email protected]

web.nvd.nist.gov

cve-2021-22636

texas instruments

ti-rtos

heapmem

malloc

integer overflow

security vulnerability

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.9 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.7%

JSON

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.

Affected configurations

NVD

Node

ticc3200Match-

ticc3220rMatch-

ticc3220sMatch-

ticc3220sfMatch-

ticc3230sMatch-

ticc3230sfMatch-

ticc3235sMatch-

ticc3235sfMatch-

AND

tireal-time_operating_systemMatch-

Node

tisimplelink_cc13xx_software_development_kitRange<4.40.00

tisimplelink_cc26xx_software_development_kitRange<4.40.00

tisimplelink_cc32xx_software_development_kitRange<4.10.03

tisimplelink_msp432e401yMatch-

tisimplelink_msp432e411yMatch-

CPENameOperatorVersion
ti:real-time_operating_systemti real-time operating systemeq-

CPE	Name	Operator	Version
ti:real-time_operating_system	ti real-time operating system	eq	-

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"
      }
    ]
  }
]

References

www.cisa.gov/news-events/ics-advisories/icsa-21-119-04

www.ti.com/tool/TI-RTOS-MCU

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.9 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.7%

JSON

Related for CVE-2021-22636

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