MediaTek MT8981 WiFi Driver out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986 and MT8981. It has been classified as critical. This affects an unknown part of the component WiFi Driver. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2022-26440. The attack needs to be approached locally. There is no exploit available. It is recommended to apply a patch to fix this issue. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in MediaTek MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986 and MT8981 (Chip Software) and classified as critical. Affected by this issue is some unknown processing of the component WiFi Driver. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420037; Issue ID: GN20220420037.

The weakness was shared 08/02/2022. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2022-26440 since 03/04/2022. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

Local: Yes
Remote: No

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: 🔍

Timelineinfo

03/04/2022 🔍
08/02/2022 +150 days 🔍
08/02/2022 +0 days 🔍
08/29/2022 +27 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2022-26440 (🔍)
GCVE (CVE): GCVE-0-2022-26440
GCVE (VulDB): GCVE-100-205484

Entryinfo

Created: 08/02/2022 08:36 AM
Updated: 08/29/2022 03:06 PM
Changes: 08/02/2022 08:36 AM (39), 08/29/2022 03:06 PM (11)
Complete: 🔍
Cache ID: 18:ADD:40

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