Huawei HarmonyOS/EMUI RSMC out-of-bounds write

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Huawei HarmonyOS and EMUI. Impacted is an unknown function of the component RSMC Module. Performing a manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2023-52386. No exploit exists.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS and EMUI (affected version not known). It has been classified as critical. This affects some unknown functionality of the component RSMC Module. 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 vulnerability in the RSMC module. Impact: Successful exploitation of this vulnerability will affect availability.

The advisory is shared at consumer.huawei.com. This vulnerability is uniquely identified as CVE-2023-52386 since 01/26/2024. The exploitability is told to be easy. 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 12/10/2024).

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

01/26/2024 🔍
04/08/2024 +72 days 🔍
04/08/2024 +0 days 🔍
12/10/2024 +246 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2023-52386 (🔍)
GCVE (CVE): GCVE-0-2023-52386
GCVE (VulDB): GCVE-100-259737

Entryinfo

Created: 04/08/2024 12:28
Updated: 12/10/2024 03:32
Changes: 04/08/2024 12:28 (51), 04/08/2024 12:29 (1), 12/10/2024 03:32 (14)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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