CVE-2021-0623 : Security Advisory and Response
Learn about CVE-2021-0623, a vulnerability in ASF Extractor on Android 10.0 and 11.0 devices, enabling local information disclosure. Find mitigation steps and patch IDs here.
A detailed overview of CVE-2021-0623 providing insights into the vulnerability, impact, technical details, and mitigation strategies.
Understanding CVE-2021-0623
This section delves into the specifics of the CVE-2021-0623 vulnerability.
What is CVE-2021-0623?
CVE-2021-0623 involves a potential out of bounds read in the asf extractor, resulting from an integer overflow. This flaw could allow for local information disclosure without requiring additional execution privileges and is exploitable without user interaction.
The Impact of CVE-2021-0623
The impact involves the risk of local information disclosure on affected systems running Android 10.0 and 11.0.
Technical Details of CVE-2021-0623
In this section, we explore the specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability stems from an integer overflow in the asf extractor, potentially leading to out of bounds read operations.
Affected Systems and Versions
The affected systems include a wide range of MediaTek products running Android 10.0 and 11.0.
Exploitation Mechanism
The vulnerability can be exploited without user interaction, posing a significant risk to impacted systems.
Mitigation and Prevention
This section provides guidance on addressing and mitigating the CVE-2021-0623 vulnerability.
Immediate Steps to Take
Immediate actions involve applying patches identified by Patch ID: ALPS05489178 and Issue ID: ALPS05585817.
Long-Term Security Practices
Implementing robust security practices, such as regular security updates and monitoring, can enhance system resilience.
Patching and Updates
Ensuring timely patching and updates on affected systems is crucial to addressing the CVE-2021-0623 vulnerability.