VDB-185395 · CVE-2021-38258 · GCVE-0-2021-38258

NXP MCUXpresso SDK 2.7.0 USB_HostProcessCallback buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in NXP MCUXpresso SDK 2.7.0. It has been rated as critical. Affected by this issue is the function USB_HostProcessCallback. This manipulation causes buffer overflow. This vulnerability is registered as CVE-2021-38258. No exploit is available.

Detailsinfo

A vulnerability has been found in NXP MCUXpresso SDK 2.7.0 and classified as critical. Affected by this vulnerability is the function USB_HostProcessCallback. The manipulation 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 published 10/26/2021. It is possible to read the advisory at mcusec.github.io. This vulnerability is known as CVE-2021-38258 since 08/09/2021. Technical details of the vulnerability are known, but there is no available exploit.

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Productinfo

Vendor

Name

MCUXpresso SDK

Version

2.7.0

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/09/2021 🔍
10/26/2021 +78 days 🔍
10/26/2021 +0 days 🔍
10/30/2021 +4 days 🔍

Sourcesinfo

Advisory: mcusec.github.io
Status: Confirmed

CVE: CVE-2021-38258 (🔍)
GCVE (CVE): GCVE-0-2021-38258
GCVE (VulDB): GCVE-100-185395

Entryinfo

Created: 10/26/2021 13:59
Updated: 10/30/2021 13:31
Changes: 10/26/2021 13:59 (37), 10/30/2021 13:26 (1), 10/30/2021 13:31 (18)
Complete: 🔍
Cache ID: 216::103