CVE-2021-0605 : What You Need to Know

This article provides insights into CVE-2021-0605, a vulnerability in the Android kernel that could lead to local information disclosure.

Understanding CVE-2021-0605

CVE-2021-0605 is a vulnerability in the Android kernel that allows for potential out-of-bounds reads in pfkey_dump of af_key.c, leading to local information disclosure without the need for user interaction.

What is CVE-2021-0605?

CVE-2021-0605 involves a missing bounds check in pfkey_dump of af_key.c, presenting an out-of-bounds read opportunity with the potential for local information disclosure within the kernel. The exploitation requires System execution privileges but does not necessitate user interaction.

The Impact of CVE-2021-0605

The impact of CVE-2021-0605 is the disclosure of local information within the kernel, posing a risk to system confidentiality and integrity.

Technical Details of CVE-2021-0605

CVE-2021-0605 impacts Android kernel versions, facilitating an out-of-bounds read in pfkey_dump of af_key.c, which can result in local information disclosure.

Vulnerability Description

The vulnerability arises from a missing bounds check in pfkey_dump of af_key.c, potentially enabling out-of-bounds reads and local information disclosure.

Affected Systems and Versions

Affected systems include Android devices running the Android kernel.

Exploitation Mechanism

Exploiting CVE-2021-0605 does not require user interaction, but System execution privileges are needed to leverage the vulnerability.

Mitigation and Prevention

To address CVE-2021-0605 and enhance system security, immediate steps must be taken along with the implementation of long-term security practices and regular patching and updates.

Immediate Steps to Take

Immediate actions should include monitoring security bulletins and applying patches provided by the vendor.

Long-Term Security Practices

Implementing robust security practices such as network segmentation, access control, and regular security training can help prevent similar vulnerabilities.

Patching and Updates

Regularly updating the Android kernel and system software is crucial to mitigate CVE-2021-0605 and stay protected against potential threats.