VDB-255607 · CVE-2024-20024 · ALPS08541635

MediaTek MT8678 Flashc 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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in MediaTek MT6781, MT6789, MT6833, MT6835, MT6879, MT6886, MT6895, MT6983, MT6985, MT6989, MT8666, MT8666A, MT8666B, MT8667, MT8673, MT8676 and MT8678. Affected by this vulnerability is an unknown functionality of the component Flashc. This manipulation causes out-of-bounds write. This vulnerability is tracked as CVE-2024-20024. The attack is restricted to local execution. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6781, MT6789, MT6833, MT6835, MT6879, MT6886, MT6895, MT6983, MT6985, MT6989, MT8666, MT8666A, MT8666B, MT8667, MT8673, MT8676 and MT8678 (Chip Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Flashc. 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:

In flashc, there is a possible out of bounds write due to lack of valudation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08541635; Issue ID: ALPS08541635.

The weakness was disclosed 03/04/2024 as ALPS08541635. It is possible to read the advisory at corp.mediatek.com. This vulnerability is known as CVE-2024-20024 since 11/02/2023. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS08541635 is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

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: 6.7
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS08541635

Timelineinfo

11/02/2023 🔍
03/04/2024 +123 days 🔍
03/04/2024 +0 days 🔍
04/23/2025 +415 days 🔍

Sourcesinfo

Advisory: ALPS08541635
Status: Confirmed

CVE: CVE-2024-20024 (🔍)
GCVE (CVE): GCVE-0-2024-20024
GCVE (VulDB): GCVE-100-255607

Entryinfo

Created: 03/04/2024 07:45
Updated: 04/23/2025 08:26
Changes: 03/04/2024 07:45 (41), 04/23/2025 08:26 (16)
Complete: 🔍
Cache ID: 216::103