zephyrproject-rtos 2.6.0 RNDIS USB Device heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability was found in zephyrproject-rtos 2.6.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component RNDIS USB Device Handler. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2021-3861. The attacker needs to be present on the local network. There is no available exploit.

Detailsinfo

A vulnerability has been found in zephyrproject-rtos 2.6.0 (Project Management Software) and classified as critical. This vulnerability affects some unknown processing of the component RNDIS USB Device Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 02/08/2022 as GHSA-hvfp-w4h8-gxvj. The advisory is available at github.com. This vulnerability was named CVE-2021-3861 since 10/05/2021. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/08/2022).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (Zephyr Project): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/05/2021 🔍
02/08/2022 +126 days 🔍
02/08/2022 +0 days 🔍
02/11/2022 +3 days 🔍

Sourcesinfo

Advisory: GHSA-hvfp-w4h8-gxvj
Status: Confirmed

CVE: CVE-2021-3861 (🔍)
GCVE (CVE): GCVE-0-2021-3861
GCVE (VulDB): GCVE-100-192478

Entryinfo

Created: 02/08/2022 09:02
Updated: 02/11/2022 16:03
Changes: 02/08/2022 09:02 (48), 02/11/2022 16:03 (1)
Complete: 🔍
Cache ID: 216::103

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