CVE-2021-39620 : What You Need to Know

This CVE record pertains to a vulnerability in Android versions 11 and 12 that could allow for local privilege escalation without requiring user interaction.

Understanding CVE-2021-39620

This section delves into the specifics of the CVE-2021-39620 vulnerability in Android.

What is CVE-2021-39620?

CVE-2021-39620 is related to a potential memory corruption issue due to a use-after-free vulnerability in ipcSetDataReference of Parcel.cpp. The vulnerability can enable a local attacker to escalate privileges without any additional privileges.

The Impact of CVE-2021-39620

The vulnerability poses a risk of local privilege escalation, potentially leading to security breaches without the need for user interaction.

Technical Details of CVE-2021-39620

Explore the technical aspects of CVE-2021-39620.

Vulnerability Description

The vulnerability involves a use-after-free scenario in ipcSetDataReference of Parcel.cpp, creating a memory corruption opportunity.

Affected Systems and Versions

Product: Android
Versions Affected: Android-11, Android-12

Exploitation Mechanism

The exploit allows attackers to corrupt memory, paving the way for local privilege escalation without requiring additional execution privileges or user interaction.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-39620.

Immediate Steps to Take

Monitor official security bulletins for patches or updates.
Apply available security patches promptly.
Implement the principle of least privilege to limit potential exploit impact.

Long-Term Security Practices

Regularly update and patch software to ensure protection against known vulnerabilities.
Conduct security assessments and audits to detect and address similar issues.

Patching and Updates

Stay informed about security bulletins and updates from Android to address the CVE-2021-39620 vulnerability.