MediaTek MT8798 Audio DSP memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8791, MT8797 and MT8798. It has been classified as critical. The affected element is an unknown function of the component Audio DSP. This manipulation causes memory corruption. This vulnerability is handled as CVE-2022-21786. It is possible to launch the attack on the local host. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability has been found in MediaTek MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8791, MT8797 and MT8798 (Chip Software) and classified as critical. Affected by this vulnerability is an unknown code block of the component Audio DSP. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In audio DSP, there is a possible memory corruption due to improper casting. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558822; Issue ID: ALPS06558822.

The weakness was released 07/07/2022 as ALPS06558822. The advisory is shared at corp.mediatek.com. This vulnerability is known as CVE-2022-21786 since 11/26/2021. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS06558822 is able to eliminate this problem.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: ALPS06558822

Timelineinfo

11/26/2021 🔍
07/07/2022 +222 days 🔍
07/07/2022 +0 days 🔍
07/20/2022 +13 days 🔍

Sourcesinfo

Advisory: ALPS06558822
Status: Confirmed

CVE: CVE-2022-21786 (🔍)
GCVE (CVE): GCVE-0-2022-21786
GCVE (VulDB): GCVE-100-203341

Entryinfo

Created: 07/07/2022 14:19
Updated: 07/20/2022 07:23
Changes: 07/07/2022 14:19 (41), 07/20/2022 07:23 (17)
Complete: 🔍
Cache ID: 216::103

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