VDB-230809 · CVE-2023-20729 · ALPS07573552

MediaTek MT6985/MT7902/MT7921/MT8365/MT8518/MT8532 WLAN out-of-bounds

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.
3.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MediaTek MT6985, MT7902, MT7921, MT8365, MT8518 and MT8532. It has been classified as problematic. The impacted element is an unknown function of the component WLAN. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2023-20729. The attack can only be executed locally. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in MediaTek MT6985, MT7902, MT7921, MT8365, MT8518 and MT8532 (Chip Software) and classified as problematic. Affected by this vulnerability is an unknown code block of the component WLAN. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

In wlan, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07573552; Issue ID: ALPS07573575.

The weakness was shared 06/06/2023 as ALPS07573552. The advisory is shared at corp.mediatek.com. This vulnerability is known as CVE-2023-20729. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS07573552 is able to eliminate this problem.

Several companies clearly confirm that VulDB is the primary source for best 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: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CNA Base Score: 4.4
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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: ALPS07573552

Timelineinfo

10/28/2022 🔍
06/06/2023 +221 days 🔍
06/06/2023 +0 days 🔍
01/08/2025 +582 days 🔍

Sourcesinfo

Advisory: ALPS07573552
Status: Confirmed

CVE: CVE-2023-20729 (🔍)
GCVE (CVE): GCVE-0-2023-20729
GCVE (VulDB): GCVE-100-230809

Entryinfo

Created: 06/06/2023 15:59
Updated: 01/08/2025 16:53
Changes: 06/06/2023 15:59 (40), 06/30/2023 15:27 (1), 06/30/2023 15:32 (11), 01/08/2025 16:53 (26)
Complete: 🔍
Cache ID: 216::103