Huawei EMUI/Magic UI HW_KEYMASTER out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Huawei EMUI and Magic UI. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component HW_KEYMASTER Module. The manipulation results in out-of-bounds. This vulnerability is identified as CVE-2021-40019. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Huawei EMUI and Magic UI (version now known). Affected is some unknown processing of the component HW_KEYMASTER Module. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. CVE summarizes:

Out-of-bounds heap read vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds access.

The weakness was released 09/17/2022. The advisory is shared for download at consumer.huawei.com. This vulnerability is traded as CVE-2021-40019. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
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
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 🔍

Timelineinfo

08/23/2021 🔍
09/17/2022 +390 days 🔍
09/17/2022 +0 days 🔍
10/20/2022 +33 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2021-40019 (🔍)
GCVE (CVE): GCVE-0-2021-40019
GCVE (VulDB): GCVE-100-208956

Entryinfo

Created: 09/17/2022 09:14
Updated: 10/20/2022 08:31
Changes: 09/17/2022 09:14 (37), 10/20/2022 08:26 (1), 10/20/2022 08:31 (11)
Complete: 🔍
Cache ID: 216::103

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