Huawei HarmonyOS/EMUI Kernel Driver out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Huawei HarmonyOS and EMUI. Impacted is an unknown function of the component Kernel Driver Module. This manipulation causes out-of-bounds write. This vulnerability is tracked as CVE-2023-46761. No exploit exists.

Detailsinfo

A vulnerability has been found in Huawei HarmonyOS and EMUI (affected version unknown) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Kernel Driver Module. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Out-of-bounds write vulnerability in the kernel driver module. Successful exploitation of this vulnerability may cause process exceptions.

The weakness was disclosed 11/08/2023. The advisory is shared at consumer.huawei.com. This vulnerability is known as CVE-2023-46761 since 10/26/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/05/2023).

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

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

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.5
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: 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

10/26/2023 🔍
11/08/2023 +13 days 🔍
11/08/2023 +0 days 🔍
12/05/2023 +27 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2023-46761 (🔍)
GCVE (CVE): GCVE-0-2023-46761
GCVE (VulDB): GCVE-100-244777

Entryinfo

Created: 11/08/2023 11:05
Updated: 12/05/2023 09:22
Changes: 11/08/2023 11:05 (37), 12/05/2023 09:22 (11)
Complete: 🔍
Cache ID: 216::103

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

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