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CVE-2022-32597: Elevation of Privilege in MediaTek, Inc. 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, MT8797

Medium
Published: Mon Dec 05 2022 (12/05/2022, 00:00:00 UTC)
Source: CVE
Vendor/Project: MediaTek, Inc.
Product: 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, MT8797

Description

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.

AI-Powered Analysis

AILast updated: 06/24/2025, 05:26:34 UTC

Technical Analysis

CVE-2022-32597 is a medium-severity elevation of privilege vulnerability affecting a broad range of MediaTek SoCs (System on Chips), specifically models MT6762 through MT8797, which are widely used in Android smartphones running versions 10.0, 11.0, and 12.0. The vulnerability resides in the Widevine component, a digital rights management (DRM) technology integrated into these chipsets. The root cause is an out-of-bounds write due to an incorrect bounds check, classified under CWE-787 (Out-of-bounds Write). This flaw allows a local attacker with existing high privileges (PR:H) to escalate their privileges to system level without requiring any user interaction (UI:N). The vulnerability can compromise confidentiality, integrity, and availability, as indicated by the CVSS vector (C:H/I:H/A:H). Exploitation requires local access to the device and some level of privilege, but no user action is needed, making it a potent vector for privilege escalation once initial access is gained. Although no known exploits are currently reported in the wild, the vulnerability's presence in widely deployed MediaTek chipsets used by numerous Android devices globally makes it a significant risk. The issue was reserved in June 2022 and published in December 2022, with patches identified under ALPS07446228, though no direct patch links are provided in the data. The vulnerability's impact is critical in scenarios where attackers already have limited access and seek to gain full system control, potentially enabling persistent malware installation, data exfiltration, or device manipulation.

Potential Impact

For European organizations, the impact of CVE-2022-32597 can be substantial, especially for enterprises relying on Android devices powered by MediaTek chipsets for corporate communications, mobile workforce operations, or IoT deployments. Successful exploitation could allow attackers to bypass Android security boundaries, gaining system-level privileges to install persistent malware, access sensitive corporate data, or disrupt device availability. This risk is heightened in sectors with high mobile device usage such as finance, healthcare, and critical infrastructure. The vulnerability's local exploitation requirement limits remote attacks but does not eliminate risk, as attackers could leverage other vulnerabilities or social engineering to gain initial access. Additionally, the lack of user interaction needed for exploitation increases the threat of automated or stealthy attacks. The widespread use of affected MediaTek chipsets in budget and mid-range devices popular in Europe means that a significant portion of the mobile device ecosystem could be vulnerable, potentially impacting supply chain security and endpoint protection strategies.

Mitigation Recommendations

1. Immediate deployment of vendor-provided patches or firmware updates addressing ALPS07446228 is critical. Organizations should coordinate with device manufacturers and mobile carriers to ensure timely updates on all affected devices. 2. Implement strict mobile device management (MDM) policies that enforce patch compliance and restrict installation of untrusted applications to reduce the risk of initial local access. 3. Employ endpoint detection and response (EDR) solutions capable of monitoring for privilege escalation behaviors on Android devices. 4. Limit physical access to devices and enforce strong authentication mechanisms to prevent unauthorized local access. 5. For corporate environments, consider network segmentation and zero-trust principles to minimize the impact of compromised mobile devices. 6. Educate users about the risks of sideloading applications and the importance of installing updates promptly. 7. Monitor threat intelligence feeds for any emerging exploit code or attack campaigns targeting this vulnerability to enable rapid incident response.

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Technical Details

Data Version
5.1
Assigner Short Name
MediaTek
Date Reserved
2022-06-09T00:00:00.000Z
Cisa Enriched
true

Threat ID: 682d9840c4522896dcbf0fe7

Added to database: 5/21/2025, 9:09:20 AM

Last enriched: 6/24/2025, 5:26:34 AM

Last updated: 8/16/2025, 11:26:01 PM

Views: 14

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