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[email protected]CVE-2021-27504

HistoryNov 21, 2023 - 6:15 p.m.

CVE-2021-27504

2023-11-2118:15:00

CWE-190

[email protected]

web.nvd.nist.gov

cve-2021-27504

texas instruments

freertos

integer overflow

code execution

nvd

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

8.4 High

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

9.2%

JSON

Texas Instruments devices running FREERTOS, malloc returns a valid
pointer to a small buffer on extremely large values, which can trigger
an integer overflow vulnerability in ‘malloc’ for FreeRTOS, resulting in
code execution.

CPENameOperatorVersion
amazon:freertosamazon freertoseq10.4.1
ti:simplelink_cc26xx_software_development_kitti simplelink cc26xx software development kitlt4.40.00
ti:simplelink_cc13xx_software_development_kitti simplelink cc13xx software development kitlt4.40.00
ti:simplelink_cc32xx_software_development_kitti simplelink cc32xx software development kitlt4.10.03
ti:simplelink_msp432e411yti simplelink msp432e411yeq-
ti:simplelink_msp432e401yti simplelink msp432e401yeq-

CPE	Name	Operator	Version
amazon:freertos	amazon freertos	eq	10.4.1
ti:simplelink_cc26xx_software_development_kit	ti simplelink cc26xx software development kit	lt	4.40.00
ti:simplelink_cc13xx_software_development_kit	ti simplelink cc13xx software development kit	lt	4.40.00
ti:simplelink_cc32xx_software_development_kit	ti simplelink cc32xx software development kit	lt	4.10.03
ti:simplelink_msp432e411y	ti simplelink msp432e411y	eq	-
ti:simplelink_msp432e401y	ti simplelink msp432e401y	eq	-

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

8.4 High

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

9.2%

JSON

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