VDB-266854 · CVE-2024-20066 · MOLY01267281

MediaTek MT8798 Modem 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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in MediaTek MT6298, MT6813, MT6815, MT6835, MT6878, MT6879, MT6895, MT6895T, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, MT6986, MT6986D, MT6990, MT6991, MT8673, MT8792 and MT8798. Impacted is an unknown function of the component Modem. Executing a manipulation can lead to out-of-bounds write. The identification of this vulnerability is CVE-2024-20066. The attack may be launched remotely. There is no exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability has been found in MediaTek MT6298, MT6813, MT6815, MT6835, MT6878, MT6879, MT6895, MT6895T, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, MT6986, MT6986D, MT6990, MT6991, MT8673, MT8792 and MT8798 and classified as critical. This vulnerability affects an unknown function of the component Modem. 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 availability. CVE summarizes:

In modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is no needed for exploitation. Patch ID: MOLY01267281; Issue ID: MSV-1477.

The advisory is available at corp.mediatek.com. This vulnerability was named CVE-2024-20066 since 11/02/2023. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Applying the patch MOLY01267281 is able to eliminate this problem.

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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: 7.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MOLY01267281

Timelineinfo

11/02/2023 🔍
06/03/2024 +213 days 🔍
06/03/2024 +0 days 🔍
02/04/2025 +246 days 🔍

Sourcesinfo

Advisory: MOLY01267281
Status: Confirmed

CVE: CVE-2024-20066 (🔍)
GCVE (CVE): GCVE-0-2024-20066
GCVE (VulDB): GCVE-100-266854

Entryinfo

Created: 06/03/2024 07:02
Updated: 02/04/2025 07:51
Changes: 06/03/2024 07:02 (55), 06/03/2024 12:26 (1), 02/04/2025 07:51 (11)
Complete: 🔍
Cache ID: 216::103