MediaTek MT8797 isp out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in MediaTek MT6781, MT6833, MT6853, MT6855, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8791T and MT8797. This vulnerability affects unknown code of the component isp. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2022-32638. An attack has to be approached locally. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6781, MT6833, MT6853, MT6855, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8791T and MT8797 (Chip Software) and classified as problematic. This issue affects an unknown code of the component isp. 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 isp, there is a possible out of bounds write 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: ALPS07494449; Issue ID: ALPS07494449.

The weakness was shared 01/04/2023 as ALPS07494449. It is possible to read the advisory at corp.mediatek.com. The identification of this vulnerability is CVE-2022-32638 since 06/09/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS07494449 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-35704). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.4
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: ALPS07494449

Timelineinfo

06/09/2022 🔍
01/04/2023 +209 days 🔍
01/04/2023 +0 days 🔍
05/31/2026 +1243 days 🔍

Sourcesinfo

Advisory: ALPS07494449
Status: Confirmed

CVE: CVE-2022-32638 (🔍)
GCVE (CVE): GCVE-0-2022-32638
GCVE (VulDB): GCVE-100-217319
EUVD: 🔍

Entryinfo

Created: 01/04/2023 09:36
Updated: 05/31/2026 07:15
Changes: 01/04/2023 09:36 (41), 01/27/2023 15:53 (11), 04/10/2025 21:13 (16), 05/31/2026 07:15 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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