MediaTek MT8788 WLAN Firmware denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in MediaTek MT6739, MT8167, MT8168, MT8321, MT8365, MT8385, MT8666, MT8765 and MT8788. This vulnerability affects unknown code of the component WLAN Firmware. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2023-20690. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical has been found in MediaTek MT6739, MT8167, MT8168, MT8321, MT8365, MT8385, MT8666, MT8765 and MT8788 (Chip Software). Affected is an unknown functionality of the component WLAN Firmware. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

In wlan firmware, there is possible system crash due to an integer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664735; Issue ID: ALPS07664735.

The weakness was shared 07/04/2023 as ALPS07664735. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2023-20690 since 10/28/2022. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Applying the patch ALPS07664735 is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: ALPS07664735

Timelineinfo

10/28/2022 🔍
07/04/2023 +249 days 🔍
07/04/2023 +0 days 🔍
07/04/2023 +0 days 🔍

Sourcesinfo

Advisory: ALPS07664735
Status: Confirmed

CVE: CVE-2023-20690 (🔍)
GCVE (CVE): GCVE-0-2023-20690
GCVE (VulDB): GCVE-100-232884

Entryinfo

Created: 07/04/2023 06:56
Changes: 07/04/2023 06:56 (31), 07/04/2023 06:58 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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