MediaTek MT6879/MT6895/MT6983/MT8167/MT8168 pqframework out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in MediaTek MT6879, MT6895, MT6983, MT8167 and MT8168. This affects an unknown function of the component pqframework. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2023-20627. The attack can only be performed from a local environment. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6879, MT6895, MT6983, MT8167 and MT8168 (Chip Software). It has been rated as critical. Affected by this issue is some unknown functionality of the component pqframework. 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 pqframework, 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: ALPS07629585; Issue ID: ALPS07629585.

The weakness was published 03/08/2023 as ALPS07629585. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2023-20627 since 10/28/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07629585 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24806). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 🔍

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: ALPS07629585

Timelineinfo

10/28/2022 🔍
03/08/2023 +131 days 🔍
03/08/2023 +0 days 🔍
08/28/2025 +904 days 🔍

Sourcesinfo

Advisory: ALPS07629585
Status: Confirmed

CVE: CVE-2023-20627 (🔍)
GCVE (CVE): GCVE-0-2023-20627
GCVE (VulDB): GCVE-100-222560
EUVD: 🔍

Entryinfo

Created: 03/08/2023 09:15
Updated: 08/28/2025 14:17
Changes: 03/08/2023 09:15 (41), 04/01/2023 16:15 (11), 08/28/2025 14:17 (16)
Complete: 🔍
Cache ID: 216::103

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