CVE-2023-32851 Explained : Impact and Mitigation
Learn about CVE-2023-32851, a MediaTek vulnerability allowing local privilege escalation. Discover impact, affected systems, and mitigation steps.
A detailed overview of CVE-2023-32851, including its impact, technical details, and mitigation strategies.
Understanding CVE-2023-32851
This section delves into the specifics of the CVE-2023-32851 vulnerability discovered in MediaTek products.
What is CVE-2023-32851?
The CVE-2023-32851 vulnerability in MediaTek products allows a local attacker to escalate privileges by triggering an out-of-bounds write exploit. This exploit can be executed without additional privileges, though user interaction is required for successful exploitation.
The Impact of CVE-2023-32851
The impact of this vulnerability is substantial as it enables an attacker to gain escalated privileges locally, potentially leading to unauthorized access and control over sensitive data.
Technical Details of CVE-2023-32851
Explore the technical aspects of CVE-2023-32851, including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability stems from a missing bounds check in the decoder, allowing an attacker to overwrite data outside of the allocated memory space, leading to an elevation of privilege.
Affected Systems and Versions
MediaTek products including MT6580, MT6739, MT6761, and various others running Android 11.0 and 12.0 are affected by CVE-2023-32851, exposing them to local privilege escalation.
Exploitation Mechanism
To exploit CVE-2023-32851, an attacker needs to leverage the out-of-bounds write vulnerability in MediaTek devices, requiring user interaction for successful privilege escalation.
Mitigation and Prevention
Discover essential steps to mitigate the risks associated with CVE-2023-32851 and prevent potential attacks.
Immediate Steps to Take
Users are advised to apply the provided patch ID: ALPS08016652 to address the vulnerability in affected MediaTek products promptly.
Long-Term Security Practices
Implementing robust security measures such as regular security updates, network segmentation, and access control policies can bolster system defenses against similar vulnerabilities.
Patching and Updates
Regularly apply security patches and updates from MediaTek to ensure that known vulnerabilities like CVE-2023-32851 are promptly addressed and mitigated.