Huawei EMUI/Magic UI Video Framework buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Huawei EMUI and Magic UI. The impacted element is an unknown function of the component Video Framework. The manipulation results in buffer overflow. This vulnerability was named CVE-2021-46886. There is no available exploit.

Detailsinfo

A vulnerability was found in Huawei EMUI and Magic UI (affected version unknown). It has been classified as critical. Affected is an unknown functionality of the component Video Framework. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.

The weakness was presented 05/26/2023. The advisory is shared for download at consumer.huawei.com. This vulnerability is traded as CVE-2021-46886 since 04/26/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/16/2025).

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

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: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/26/2023 🔍
05/26/2023 +30 days 🔍
05/26/2023 +0 days 🔍
01/16/2025 +601 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2021-46886 (🔍)
GCVE (CVE): GCVE-0-2021-46886
GCVE (VulDB): GCVE-100-230028

Entryinfo

Created: 05/26/2023 19:39
Updated: 01/16/2025 20:54
Changes: 05/26/2023 19:39 (37), 01/16/2025 20:54 (36)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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