CVE-2022-32608: Elevation of Privilege in MediaTek, Inc. MT6893, MT6895
In jpeg, there is a possible use after free 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: ALPS07388753; Issue ID: ALPS07388753.
AI Analysis
Technical Summary
CVE-2022-32608 is a vulnerability identified in MediaTek's MT6893 and MT6895 chipsets, specifically affecting the JPEG processing component on devices running Android 12.0. The root cause is a use-after-free condition triggered by a race condition within the JPEG handling code. This flaw allows an attacker with local system execution privileges to escalate their privileges to system level without requiring any user interaction. The vulnerability falls under CWE-367 (Time-of-check Time-of-use (TOCTOU) Race Condition), indicating that the flaw arises due to improper synchronization when accessing shared resources, leading to memory being freed while still in use. Exploiting this vulnerability requires the attacker to have existing local privileges with system execution rights, which suggests that the attacker must already have some level of access to the device, but not necessarily elevated privileges. The CVSS v3.1 base score is 6.4 (medium severity), with vector AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H, indicating that the attack vector is local, requires high attack complexity and high privileges, but no user interaction. The impact on confidentiality, integrity, and availability is high, meaning successful exploitation could lead to full system compromise. No known exploits in the wild have been reported to date, and a patch identified as ALPS07388753 has been released by MediaTek to address this issue. The vulnerability is significant in the context of devices using these chipsets, which are commonly found in various Android smartphones and tablets, particularly those using MediaTek's Dimensity series processors. The flaw's exploitation could allow malicious applications or processes to gain unauthorized system-level control, potentially leading to persistent malware installation, data theft, or device manipulation.
Potential Impact
For European organizations, the impact of CVE-2022-32608 depends largely on the prevalence of devices using MediaTek MT6893 and MT6895 chipsets within their mobile device fleets. Organizations with employees using Android 12 devices powered by these chipsets could face risks of local privilege escalation, enabling attackers to bypass security controls and gain system-level access. This could lead to unauthorized access to sensitive corporate data, installation of persistent malware, or disruption of device functionality. Particularly, sectors with high mobile device usage such as finance, healthcare, and government could be targeted for espionage or sabotage. The vulnerability's requirement for local system execution privileges limits remote exploitation but does not eliminate risk from insiders or malware already present on devices. Since user interaction is not required, automated or background attacks could be feasible once initial access is obtained. Additionally, the flaw could be leveraged in targeted attacks against high-value individuals or organizations within Europe, especially where devices with these chipsets are common. The lack of known exploits in the wild reduces immediate threat but does not preclude future exploitation, especially as threat actors develop new techniques. Overall, the vulnerability poses a moderate risk to confidentiality, integrity, and availability of mobile endpoints within European organizations, necessitating timely mitigation.
Mitigation Recommendations
1. Immediate deployment of the official patch ALPS07388753 provided by MediaTek or device manufacturers is critical to remediate the vulnerability. Organizations should coordinate with device vendors to ensure timely updates on all affected devices. 2. Implement strict mobile device management (MDM) policies to control app installation and execution privileges, minimizing the risk of local attackers gaining system execution rights. 3. Enforce least privilege principles on mobile devices, restricting applications and users from obtaining unnecessary system-level permissions. 4. Monitor device behavior for signs of privilege escalation attempts or unusual process activity, using endpoint detection and response (EDR) tools tailored for mobile platforms. 5. Educate users about the risks of installing untrusted applications or granting excessive permissions, reducing the attack surface for local privilege escalation. 6. For high-risk environments, consider restricting or isolating devices known to use affected MediaTek chipsets until patches are applied. 7. Regularly audit and inventory mobile devices to identify those running Android 12 on MT6893 or MT6895 chipsets, prioritizing them for patching and monitoring. 8. Collaborate with mobile security vendors to deploy advanced threat detection solutions capable of identifying exploitation attempts of race condition vulnerabilities.
Affected Countries
Germany, France, Italy, Spain, United Kingdom, Poland, Netherlands, Belgium, Sweden, Finland
CVE-2022-32608: Elevation of Privilege in MediaTek, Inc. MT6893, MT6895
Description
In jpeg, there is a possible use after free 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: ALPS07388753; Issue ID: ALPS07388753.
AI-Powered Analysis
Technical Analysis
CVE-2022-32608 is a vulnerability identified in MediaTek's MT6893 and MT6895 chipsets, specifically affecting the JPEG processing component on devices running Android 12.0. The root cause is a use-after-free condition triggered by a race condition within the JPEG handling code. This flaw allows an attacker with local system execution privileges to escalate their privileges to system level without requiring any user interaction. The vulnerability falls under CWE-367 (Time-of-check Time-of-use (TOCTOU) Race Condition), indicating that the flaw arises due to improper synchronization when accessing shared resources, leading to memory being freed while still in use. Exploiting this vulnerability requires the attacker to have existing local privileges with system execution rights, which suggests that the attacker must already have some level of access to the device, but not necessarily elevated privileges. The CVSS v3.1 base score is 6.4 (medium severity), with vector AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H, indicating that the attack vector is local, requires high attack complexity and high privileges, but no user interaction. The impact on confidentiality, integrity, and availability is high, meaning successful exploitation could lead to full system compromise. No known exploits in the wild have been reported to date, and a patch identified as ALPS07388753 has been released by MediaTek to address this issue. The vulnerability is significant in the context of devices using these chipsets, which are commonly found in various Android smartphones and tablets, particularly those using MediaTek's Dimensity series processors. The flaw's exploitation could allow malicious applications or processes to gain unauthorized system-level control, potentially leading to persistent malware installation, data theft, or device manipulation.
Potential Impact
For European organizations, the impact of CVE-2022-32608 depends largely on the prevalence of devices using MediaTek MT6893 and MT6895 chipsets within their mobile device fleets. Organizations with employees using Android 12 devices powered by these chipsets could face risks of local privilege escalation, enabling attackers to bypass security controls and gain system-level access. This could lead to unauthorized access to sensitive corporate data, installation of persistent malware, or disruption of device functionality. Particularly, sectors with high mobile device usage such as finance, healthcare, and government could be targeted for espionage or sabotage. The vulnerability's requirement for local system execution privileges limits remote exploitation but does not eliminate risk from insiders or malware already present on devices. Since user interaction is not required, automated or background attacks could be feasible once initial access is obtained. Additionally, the flaw could be leveraged in targeted attacks against high-value individuals or organizations within Europe, especially where devices with these chipsets are common. The lack of known exploits in the wild reduces immediate threat but does not preclude future exploitation, especially as threat actors develop new techniques. Overall, the vulnerability poses a moderate risk to confidentiality, integrity, and availability of mobile endpoints within European organizations, necessitating timely mitigation.
Mitigation Recommendations
1. Immediate deployment of the official patch ALPS07388753 provided by MediaTek or device manufacturers is critical to remediate the vulnerability. Organizations should coordinate with device vendors to ensure timely updates on all affected devices. 2. Implement strict mobile device management (MDM) policies to control app installation and execution privileges, minimizing the risk of local attackers gaining system execution rights. 3. Enforce least privilege principles on mobile devices, restricting applications and users from obtaining unnecessary system-level permissions. 4. Monitor device behavior for signs of privilege escalation attempts or unusual process activity, using endpoint detection and response (EDR) tools tailored for mobile platforms. 5. Educate users about the risks of installing untrusted applications or granting excessive permissions, reducing the attack surface for local privilege escalation. 6. For high-risk environments, consider restricting or isolating devices known to use affected MediaTek chipsets until patches are applied. 7. Regularly audit and inventory mobile devices to identify those running Android 12 on MT6893 or MT6895 chipsets, prioritizing them for patching and monitoring. 8. Collaborate with mobile security vendors to deploy advanced threat detection solutions capable of identifying exploitation attempts of race condition vulnerabilities.
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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
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 682d9838c4522896dcbebcf4
Added to database: 5/21/2025, 9:09:12 AM
Last enriched: 6/26/2025, 2:32:21 AM
Last updated: 7/28/2025, 8:41:23 PM
Views: 13
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