CVE-2021-0564 : Exploit Details and Defense Strategies

Android's CryptoPlugin.cpp in Android-11 is susceptible to a use-after-free vulnerability due to a race condition, potentially leading to local privilege escalation. No user interaction is required for exploitation.

Understanding CVE-2021-0564

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-0564.

What is CVE-2021-0564?

The vulnerability in CryptoPlugin.cpp of Android-11 could allow an attacker to locally escalate privileges without user interaction.

The Impact of CVE-2021-0564

The use-after-free issue arising from a race condition poses a risk of local privilege escalation, requiring system execution privileges.

Technical Details of CVE-2021-0564

Learn more about the specifics of the vulnerability, affected systems, and exploitation techniques.

Vulnerability Description

The vulnerability stems from a race condition in decrypt of CryptoPlugin.cpp, leading to potential use-after-free scenarios.

Affected Systems and Versions

The issue impacts Android-11, potentially leaving systems vulnerable to local privilege escalation attacks.

Exploitation Mechanism

Exploiting this vulnerability does not necessitate user interaction, as the race condition can be leveraged for privilege escalation.

Mitigation and Prevention

Discover immediate steps and long-term practices to enhance security and protect systems from CVE-2021-0564.

Immediate Steps to Take

Ensure prompt application of security patches and updates to mitigate the risk of exploitation.

Long-Term Security Practices

Implement robust security measures and regularly update systems to fortify defenses against privilege escalation vulnerabilities.

Patching and Updates

Stay informed about security bulletins and promptly integrate patches to address vulnerabilities like CVE-2021-0564.