Texas Instruments CC32XX prior 4.10.03/4.40.00/4.40.00.07 HeapMem_allocUnprotected integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Texas Instruments CC32XX, SimpleLink MSP432E4XX, SimpleLink-CC13XX, SimpleLink-CC26XX and SimpleLink-CC32XX and classified as critical. This affects the function HeapMem_allocUnprotected. Performing a manipulation results in integer overflow. This vulnerability was named CVE-2021-27502. The attack needs to be approached locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Texas Instruments CC32XX, SimpleLink MSP432E4XX, SimpleLink-CC13XX, SimpleLink-CC26XX and SimpleLink-CC32XX. It has been classified as critical. This affects the function HeapMem_allocUnprotected. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 11/21/2023 by David Atch, Omri Ben Bassat and Tamir Ariel as icsa-21-119-04. The advisory is shared at cisa.gov. This vulnerability is uniquely identified as CVE-2021-27502 since 02/19/2021. Technical details are known, but no exploit is available.

Upgrading to version 4.10.03, 4.40.00 or 4.40.00.07 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.4
CNA Vector (ICS-CERT): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CC32XX/SimpleLink MSP432E4XX/SimpleLink-CC13XX/SimpleLink-CC26XX/SimpleLink-CC32XX 4.10.03/4.40.00/4.40.00.07

Timelineinfo

02/19/2021 🔍
11/21/2023 +1005 days 🔍
11/21/2023 +0 days 🔍
12/15/2023 +24 days 🔍

Sourcesinfo

Advisory: icsa-21-119-04
Researcher: David Atch, Omri Ben Bassat, Tamir Ariel
Status: Confirmed

CVE: CVE-2021-27502 (🔍)
GCVE (CVE): GCVE-0-2021-27502
GCVE (VulDB): GCVE-100-245913

Entryinfo

Created: 11/21/2023 19:32
Updated: 12/15/2023 11:55
Changes: 11/21/2023 19:32 (50), 12/15/2023 11:55 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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