CVE-2021-0627 : Vulnerability Insights and Analysis
Learn about CVE-2021-0627, a critical vulnerability in OMA DRM leading to local privilege escalation in Android 10.0 and 11.0. Find out the impacted systems and mitigation strategies.
A detailed overview of CVE-2021-0627 focusing on the impact, technical details, and mitigation strategies.
Understanding CVE-2021-0627
This section delves into the specifics of the CVE, highlighting the vulnerability and affected systems.
What is CVE-2021-0627?
CVE-2021-0627 involves a potential memory corruption in OMA DRM due to an integer overflow. This flaw could result in a local escalation of privilege, requiring System execution privileges without user interaction.
The Impact of CVE-2021-0627
The impact of this vulnerability is significant as it could allow attackers to elevate their privileges locally without the need for user involvement, posing a serious security risk.
Technical Details of CVE-2021-0627
This section covers the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability stems from an integer overflow within OMA DRM, leading to memory corruption that could be exploited by threat actors to escalate privileges.
Affected Systems and Versions
The following systems are affected by CVE-2021-0627: MT6580, MT6735, MT6739, MT6755S, MT6757, MT6761, MT6763, MT6765, MT6768, MT6771, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885 running Android 10.0 and 11.0.
Exploitation Mechanism
The exploitation of this vulnerability does not require user interaction, making it particularly dangerous as threat actors can execute privileged actions without detection.
Mitigation and Prevention
In this section, strategies to mitigate and prevent exploitation of CVE-2021-0627 are discussed.
Immediate Steps to Take
It is crucial to apply security patches promptly to address the vulnerability and prevent potential privilege escalation attacks.
Long-Term Security Practices
Implementing robust security practices, such as regular security updates, code reviews, and privilege limitations, is essential to safeguard against similar vulnerabilities.
Patching and Updates
Stay updated with security bulletins and patches provided by relevant vendors to ensure your systems are protected from known vulnerabilities.