MediaTek MT8798 Audio IPI memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

A vulnerability classified as critical has been found in MediaTek MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8791, MT8797 and MT8798 (Chip Software). Affected is an unknown functionality of the component Audio IPI. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In audio ipi, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06478101; Issue ID: ALPS06478101.

The weakness was released 08/01/2022 as ALPS06478101. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2022-21789 since 11/26/2021. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS06478101 is able to eliminate this problem.

Productinfo

Type

Vendor

Name

License

  • commercial

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

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: ALPS06478101

Timelineinfo

11/26/2021 🔍
08/01/2022 +247 days 🔍
08/01/2022 +0 days 🔍
08/01/2022 +0 days 🔍

Sourcesinfo

Advisory: ALPS06478101
Status: Confirmed

CVE: CVE-2022-21789 (🔍)

Entryinfo

Created: 08/01/2022 08:39 PM
Changes: 08/01/2022 08:39 PM (41)
Complete: 🔍

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