MediaTek MT8167/MT8167S/MT8168/MT8175/MT8195/MT8362A/MT8365 Keymange out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability was found in MediaTek MT8167, MT8167S, MT8168, MT8175, MT8195, MT8362A and MT8365 (Chip Software) and classified as critical. This issue affects an unknown code block of the component Keymange. 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. The summary by CVE is:

In keymange, 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: ALPS07826586; Issue ID: ALPS07826586.

The weakness was disclosed 06/06/2023 as ALPS07826586. The advisory is shared at corp.mediatek.com. The identification of this vulnerability is CVE-2023-20752 since 10/28/2022. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS07826586 is able to eliminate this problem.

The entries VDB-230827, VDB-230828, VDB-230829 and VDB-230830 are pretty similar.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
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: 🔒

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: ALPS07826586

Timelineinfo

10/28/2022 CVE reserved
06/06/2023 +221 days Advisory disclosed
06/06/2023 +0 days VulDB entry created
06/30/2023 +24 days VulDB entry last update

Sourcesinfo

Advisory: ALPS07826586
Status: Confirmed

CVE: CVE-2023-20752 (🔒)
See also: 🔒

Entryinfo

Created: 06/06/2023 16:06
Updated: 06/30/2023 18:30
Changes: 06/06/2023 16:06 (41), 06/30/2023 18:30 (11)
Complete: 🔍
Cache ID: 3:59B:103

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