NXP MCUXpresso SDK up to 2.8.1 SDK_Malloc integer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in NXP MCUXpresso SDK up to 2.8.1. The impacted element is the function SDK_Malloc. The manipulation results in integer overflow.
This vulnerability is reported as CVE-2021-27421. The attack can be launched remotely. No exploit exists.
You should upgrade the affected component.
Details
A vulnerability was found in NXP MCUXpresso SDK up to 2.8.1. It has been classified as critical. Affected is the function SDK_Malloc. 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 weakness was disclosed 05/04/2022 as icsa-21-119-04. The advisory is available at cisa.gov. This vulnerability is traded as CVE-2021-27421 since 02/19/2021. Technical details are known, but there is no available exploit.
Upgrading to version 2.8.2 eliminates this vulnerability.
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Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.3
CNA Vector (ICS-CERT): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: MCUXpresso SDK 2.8.2
Timeline
02/19/2021 🔍05/04/2022 🔍
05/04/2022 🔍
05/07/2022 🔍
Sources
Advisory: icsa-21-119-04Status: Confirmed
CVE: CVE-2021-27421 (🔍)
GCVE (CVE): GCVE-0-2021-27421
GCVE (VulDB): GCVE-100-198942
Entry
Created: 05/04/2022 06:37Updated: 05/07/2022 07:38
Changes: 05/04/2022 06:37 (50), 05/07/2022 07:38 (1)
Complete: 🔍
Cache ID: 216::103
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