MediaTek MT8195 Apu out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in MediaTek MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT8183 and MT8195 and classified as problematic. This affects an unknown part of the component Apu. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2023-20704. The attack can only be executed locally. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in MediaTek MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT8183 and MT8195 (Chip Software) and classified as problematic. Affected by this vulnerability is an unknown part of the component Apu. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

In apu, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07767826; Issue ID: ALPS07767826.

The weakness was shared 05/16/2023 as ALPS07767826. It is possible to read the advisory at corp.mediatek.com. This vulnerability is known as CVE-2023-20704 since 10/28/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS07767826 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24883). 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: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA 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
CWE: CWE-125 / 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: ALPS07767826

Timelineinfo

10/28/2022 🔍
05/16/2023 +200 days 🔍
05/16/2023 +0 days 🔍
08/31/2025 +838 days 🔍

Sourcesinfo

Advisory: ALPS07767826
Status: Confirmed

CVE: CVE-2023-20704 (🔍)
GCVE (CVE): GCVE-0-2023-20704
GCVE (VulDB): GCVE-100-229099
EUVD: 🔍

Entryinfo

Created: 05/16/2023 07:57
Updated: 08/31/2025 22:19
Changes: 05/16/2023 07:57 (41), 06/09/2023 09:53 (11), 01/25/2025 01:31 (26), 08/31/2025 22:19 (1)
Complete: 🔍
Cache ID: 216::103

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

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