MediaTek MT8797 swpm out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in MediaTek MT6835, MT6886, MT6983, MT6985, MT8167, MT8167S, MT8168, MT8175, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8673, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T and MT8797. This affects an unknown part of the component swpm. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2023-20750. The attack needs to be launched locally. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in MediaTek MT6835, MT6886, MT6983, MT6985, MT8167, MT8167S, MT8168, MT8175, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8673, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T and MT8797 (Chip Software). Affected by this vulnerability is an unknown code of the component swpm. 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 swpm, there is a possible out of bounds write due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07780926; Issue ID: ALPS07780928.

The weakness was published 06/06/2023 as ALPS07780926. It is possible to read the advisory at corp.mediatek.com. This vulnerability is known as CVE-2023-20750 since 10/28/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS07780926 is able to eliminate this problem.

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Productinfo

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Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

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

NVD Base Score: 4.1
NVD Vector: 🔍

CNA Base Score: 4.1
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: ALPS07780926

Timelineinfo

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

Sourcesinfo

Advisory: ALPS07780926
Status: Confirmed

CVE: CVE-2023-20750 (🔍)
GCVE (CVE): GCVE-0-2023-20750
GCVE (VulDB): GCVE-100-230815

Entryinfo

Created: 06/06/2023 16:00
Updated: 01/07/2025 21:13
Changes: 06/06/2023 16:00 (41), 06/30/2023 16:03 (9), 01/07/2025 21:13 (26)
Complete: 🔍
Cache ID: 216::103

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