MediaTek MT8797 widevine out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791 and MT8797. It has been rated as critical. This affects an unknown part of the component widevine. The manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2022-32597. The attack can only be performed from a local environment. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791 and MT8797 (Chip Software). It has been rated as critical. This issue affects an unknown function of the component widevine. 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 widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07446228; Issue ID: ALPS07446228.

The weakness was published 12/06/2022 as ALPS07446228. The advisory is shared at corp.mediatek.com. The identification of this vulnerability is CVE-2022-32597 since 06/09/2022. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS07446228 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-35663). Several companies clearly confirm that VulDB is the primary source for best 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: 6.7
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: 🔍

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: ALPS07446228

Timelineinfo

06/09/2022 🔍
12/06/2022 +180 days 🔍
12/06/2022 +0 days 🔍
05/30/2026 +1270 days 🔍

Sourcesinfo

Advisory: ALPS07446228
Status: Confirmed

CVE: CVE-2022-32597 (🔍)
GCVE (CVE): GCVE-0-2022-32597
GCVE (VulDB): GCVE-100-214865
EUVD: 🔍

Entryinfo

Created: 12/06/2022 09:42
Updated: 05/30/2026 00:55
Changes: 12/06/2022 09:42 (41), 12/26/2022 14:52 (10), 05/30/2026 00:55 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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