VDB-185396 · CVE-2021-38260 · GCVE-0-2021-38260

NXP MCUXpresso SDK 2.7.0 USB_HostParseDeviceConfigurationDescriptor 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 categorized as critical has been discovered in NXP MCUXpresso SDK 2.7.0. This affects the function USB_HostParseDeviceConfigurationDescriptor. Such manipulation leads to buffer overflow. This vulnerability is documented as CVE-2021-38260. There is not any exploit available.

Detailsinfo

A vulnerability was found in NXP MCUXpresso SDK 2.7.0 and classified as critical. Affected by this issue is the function USB_HostParseDeviceConfigurationDescriptor. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 10/26/2021. The advisory is shared for download at mcusec.github.io. This vulnerability is handled as CVE-2021-38260 since 08/09/2021. There are known technical details, but no exploit is available.

Once again VulDB remains the best source for vulnerability data.

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

AV	AC	Au	C	I	A
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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-2021-38260 (🔍)
GCVE (CVE): GCVE-0-2021-38260
GCVE (VulDB): GCVE-100-185396

Entryinfo

Created: 10/26/2021 13:59
Updated: 10/30/2021 13:43
Changes: 10/26/2021 13:59 (37), 10/30/2021 13:37 (1), 10/30/2021 13:43 (18)
Complete: 🔍
Cache ID: 216::103