MediaTek MT8789 HEVC Decoder out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in MediaTek MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6883, MT6885, MT6889, MT8185 and MT8789. This affects an unknown part of the component HEVC Decoder. Executing a manipulation can lead to out-of-bounds write. This vulnerability appears as CVE-2022-32637. The attack may be performed from remote. There is no available exploit. It is best practice to apply a patch to resolve this issue. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in MediaTek MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6883, MT6885, MT6889, MT8185 and MT8789 (Chip Software) and classified as critical. This vulnerability affects an unknown part of the component HEVC Decoder. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In hevc decoder, 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: ALPS07491374; Issue ID: ALPS07491374.

The weakness was presented 01/04/2023 as ALPS07491374. The advisory is available at corp.mediatek.com. This vulnerability was named CVE-2022-32637 since 06/09/2022. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Applying the patch ALPS07491374 is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Yes

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: ALPS07491374

Timelineinfo

06/09/2022 🔍
01/04/2023 +209 days 🔍
01/04/2023 +0 days 🔍
04/10/2025 +827 days 🔍

Sourcesinfo

Advisory: ALPS07491374
Status: Confirmed

CVE: CVE-2022-32637 (🔍)
GCVE (CVE): GCVE-0-2022-32637
GCVE (VulDB): GCVE-100-217318

Entryinfo

Created: 01/04/2023 09:36 AM
Updated: 04/10/2025 09:13 PM
Changes: 01/04/2023 09:36 AM (41), 01/27/2023 03:47 PM (11), 04/10/2025 09:13 PM (16)
Complete: 🔍
Cache ID: 244:0BD:40

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