MediaTek MT8678 Bluetooth FW assertion

HistoryDiffrelatejsonxmlCTI

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MediaTek MT2737, MT3603, MT6835, MT6878, MT6886, MT6897, MT6985, MT6989, MT6990, MT7902, MT7920, MT7921, MT7922, MT7925, MT7927, MT8195, MT8370, MT8390, MT8395, MT8518S, MT8532 and MT8678 and classified as critical. This affects an unknown function of the component Bluetooth FW. Such manipulation leads to assertion. This vulnerability is listed as CVE-2024-20147. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT2737, MT3603, MT6835, MT6878, MT6886, MT6897, MT6985, MT6989, MT6990, MT7902, MT7920, MT7921, MT7922, MT7925, MT7927, MT8195, MT8370, MT8390, MT8395, MT8518S, MT8532 and MT8678 and classified as critical. Affected by this issue is an unknown code of the component Bluetooth FW. The manipulation with an unknown input leads to a assertion vulnerability. Using CWE to declare the problem leads to CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. Impacted is availability. CVE summarizes:

In Bluetooth FW, there is a possible reachable assertion due to improper exception handling. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00389046 (Note: For MT79XX chipsets) / ALPS09136501 (Note: For MT2737, MT3603, MT6XXX, and MT8XXX chipsets); Issue ID: MSV-1797.

The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2024-20147 since 11/02/2023. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS09136501 is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Chip Software

Vendor

MediaTek

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Assertion
CWE: CWE-617
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: 🔍

Patch: ALPS09136501

Timelineinfo

11/02/2023 🔍
02/03/2025 +459 days 🔍
02/03/2025 +0 days 🔍
02/03/2025 +0 days 🔍

Sourcesinfo

Advisory: MSV-1797
Status: Confirmed

CVE: CVE-2024-20147 (🔍)
GCVE (CVE): GCVE-0-2024-20147
GCVE (VulDB): GCVE-100-294368

Entryinfo

Created: 02/03/2025 06:50
Changes: 02/03/2025 06:50 (55)
Complete: 🔍
Cache ID: 216::103