NXP LPC55S69 prior A3 GET Descriptor Configuration Request wlength buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in NXP LPC55S69. It has been declared as critical. This impacts an unknown function of the component GET Descriptor Configuration Request Handler. Executing a manipulation of the argument wlength can lead to buffer overflow. This vulnerability appears as CVE-2021-40154. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in NXP LPC55S69 and classified as critical. This vulnerability affects some unknown processing of the component GET Descriptor Configuration Request Handler. The manipulation of the argument wlength with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 12/01/2021. The advisory is available at github.com. This vulnerability was named CVE-2021-40154 since 08/27/2021. Technical details are known, but there is no available exploit.

Upgrading to version A3 eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (MITRE): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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: LPC55S69 A3

Timelineinfo

08/27/2021 🔍
12/01/2021 +96 days 🔍
12/01/2021 +0 days 🔍
12/08/2021 +7 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-40154 (🔍)
GCVE (CVE): GCVE-0-2021-40154
GCVE (VulDB): GCVE-100-187438

Entryinfo

Created: 12/01/2021 19:53
Updated: 12/08/2021 10:22
Changes: 12/01/2021 19:53 (49), 12/08/2021 10:17 (1), 12/08/2021 10:22 (17)
Complete: 🔍
Cache ID: 216::103

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