zephyrproject-rtos zephyr 1.14.x USB Mass Storage memoryWrite out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in zephyrproject-rtos zephyr 1.14.x. This impacts the function memoryWrite of the component USB Mass Storage Handler. Performing a manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2020-10021. The attack requires a local approach. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in zephyrproject-rtos zephyr 1.14.x (Project Management Software). It has been classified as critical. This affects the function memoryWrite of the component USB Mass Storage Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

The weakness was disclosed 05/11/2020. This vulnerability is uniquely identified as CVE-2020-10021 since 03/03/2020. An attack has to be approached locally. A authentication is needed for exploitation. Technical details are known, but no exploit is available.

Upgrading to version 2.1.0 eliminates this vulnerability.

The entries VDB-154981, VDB-154980, VDB-154979 and VDB-154978 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: zephyr 2.1.0

Timelineinfo

03/03/2020 🔍
05/11/2020 +69 days 🔍
05/12/2020 +1 days 🔍
10/16/2020 +157 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-10021 (🔍)
GCVE (CVE): GCVE-0-2020-10021
GCVE (VulDB): GCVE-100-154977
See also: 🔍

Entryinfo

Created: 05/12/2020 07:22
Updated: 10/16/2020 13:07
Changes: 05/12/2020 07:22 (39), 05/12/2020 07:27 (12), 10/16/2020 13:07 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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