MediaTek MT8797 WLAN 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 classified as critical was found in MediaTek MT5221, MT6789, MT6855, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8673, MT8695, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791 and MT8797. Impacted is an unknown function of the component WLAN. Executing a manipulation can lead to out-of-bounds write. This vulnerability appears as CVE-2023-20716. The attack requires local access. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in MediaTek MT5221, MT6789, MT6855, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8673, MT8695, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791 and MT8797 (Chip Software) and classified as critical. This vulnerability affects an unknown function of the component WLAN. 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. CVE summarizes:

In wlan, 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: ALPS07796883; Issue ID: ALPS07796883.

The weakness was presented 06/06/2023 as ALPS07796883. The advisory is available at corp.mediatek.com. This vulnerability was named CVE-2023-20716 since 10/28/2022. The technical details are unknown and an exploit is not available.

Applying the patch ALPS07796883 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: 5.9
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

AVACAuCIA
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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: ALPS07796883

Timelineinfo

10/28/2022 🔍
06/06/2023 +221 days 🔍
06/06/2023 +0 days 🔍
01/07/2025 +581 days 🔍

Sourcesinfo

Advisory: ALPS07796883
Status: Confirmed

CVE: CVE-2023-20716 (🔍)
GCVE (CVE): GCVE-0-2023-20716
GCVE (VulDB): GCVE-100-230818

Entryinfo

Created: 06/06/2023 16:03
Updated: 01/07/2025 21:13
Changes: 06/06/2023 16:03 (41), 06/30/2023 16:22 (11), 01/07/2025 21:13 (26)
Complete: 🔍
Cache ID: 216::103

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