CVE-2021-0674 : Exploit Details and Defense Strategies
Learn about CVE-2021-0674, a vulnerability in alac decoder allowing local information disclosure without extra privileges. Find out affected systems, impact, and mitigation steps.
In alac decoder, there exists a potential out-of-bounds read resulting from an incorrect bounds check. This could potentially lead to local information disclosure without requiring additional execution privileges. No user interaction is necessary for exploitation. The patch ID for this vulnerability is ALPS06064258 with the issue ID ALPS06064237.
Understanding CVE-2021-0674
This section provides an in-depth understanding of CVE-2021-0674.
What is CVE-2021-0674?
CVE-2021-0674 involves a vulnerability in the alac decoder where an incorrect bounds check could lead to an out-of-bounds read, potentially resulting in local information disclosure.
The Impact of CVE-2021-0674
The impact of CVE-2021-0674 is that it could allow attackers to gain access to local information without the need for additional privileges, posing a risk to user data security.
Technical Details of CVE-2021-0674
This section delves into the technical aspects of CVE-2021-0674.
Vulnerability Description
The vulnerability stems from an incorrect bounds check in the alac decoder, enabling potential out-of-bounds read operations.
Affected Systems and Versions
The vulnerability affects a wide range of MediaTek products running Android versions 8.1, 9.0, 10.0, and 11.0.
Exploitation Mechanism
Exploitation of CVE-2021-0674 does not require user interaction, making it easier for threat actors to leverage the vulnerability.
Mitigation and Prevention
This section outlines steps to mitigate and prevent the exploitation of CVE-2021-0674.
Immediate Steps to Take
Users are advised to apply the patch ID ALPS06064258 to address the vulnerability immediately and prevent potential information disclosure.
Long-Term Security Practices
To enhance security posture, it is recommended to follow best security practices, including regular system updates and security audits.
Patching and Updates
Ensuring that systems are regularly updated with the latest security patches is crucial to prevent exploitation of known vulnerabilities.