MediaTek MT6985 WLAN Service out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in MediaTek MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983 and MT6985. The affected element is an unknown function of the component WLAN Service. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2023-20816. The attack needs to be launched locally. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in MediaTek MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983 and MT6985 (Chip Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component WLAN Service. 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 wlan service, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07453589; Issue ID: ALPS07453589.

The weakness was published 08/07/2023 as ALPS07453589. It is possible to read the advisory at corp.mediatek.com. This vulnerability is known as CVE-2023-20816 since 10/28/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS07453589 is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 6.7
CNA 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: Partially
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: 🔍

Patch: ALPS07453589

Timelineinfo

10/28/2022 🔍
08/07/2023 +283 days 🔍
08/07/2023 +0 days 🔍
10/23/2024 +443 days 🔍

Sourcesinfo

Advisory: ALPS07453589
Status: Confirmed

CVE: CVE-2023-20816 (🔍)
GCVE (CVE): GCVE-0-2023-20816
GCVE (VulDB): GCVE-100-236275

Entryinfo

Created: 08/07/2023 09:06
Updated: 10/23/2024 04:53
Changes: 08/07/2023 09:06 (41), 08/30/2023 14:17 (11), 10/23/2024 04:53 (26)
Complete: 🔍
Cache ID: 216::103

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