Huawei HarmonyOS Bluetooth out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Huawei HarmonyOS. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Bluetooth Module. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2021-40002. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS (version now known) and classified as critical. Affected by this issue is some unknown processing of the component Bluetooth Module. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was published 01/10/2022. The advisory is shared for download at device.harmonyos.com. This vulnerability is handled as CVE-2021-40002 since 08/23/2021. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

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: 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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
01/10/2022 +140 days 🔍
01/10/2022 +0 days 🔍
01/12/2022 +2 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: device.harmonyos.com
Status: Confirmed

CVE: CVE-2021-40002 (🔍)
GCVE (CVE): GCVE-0-2021-40002
GCVE (VulDB): GCVE-100-189860

Entryinfo

Created: 01/10/2022 18:21
Updated: 01/12/2022 09:15
Changes: 01/10/2022 18:21 (37), 01/12/2022 09:15 (1)
Complete: 🔍
Cache ID: 216::103

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