CVE-2019-2101 Explained : Impact and Mitigation

Android kernel uvc_parse_standard_control function in uvc_driver.c has a vulnerability that can lead to information disclosure without additional privileges.

Understanding CVE-2019-2101

This CVE involves a potential vulnerability in the Android kernel that could allow an attacker to access out-of-bounds data, leading to the disclosure of local information.

What is CVE-2019-2101?

The uvc_parse_standard_control function in uvc_driver.c has a potential vulnerability that can result in reading out-of-bounds data. This vulnerability can lead to disclosure of local information without requiring additional execution privileges. Exploitation does not require user interaction. The affected product is Android, specifically the Android kernel. The assigned Android ID for this vulnerability is A-111760968.

The Impact of CVE-2019-2101

The vulnerability could allow an attacker to access out-of-bounds data, potentially leading to the disclosure of sensitive local information.
Exploitation of this vulnerability does not require any user interaction, making it a significant security concern.

Technical Details of CVE-2019-2101

This section provides more in-depth technical details about the CVE.

Vulnerability Description

In uvc_parse_standard_control of uvc_driver.c, there is a possible out-of-bound read due to improper input validation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-111760968.

Affected Systems and Versions

Affected Product: Android
Affected Version: Android kernel

Exploitation Mechanism

The vulnerability can be exploited by an attacker to read out-of-bounds data, potentially leading to the disclosure of local information.

Mitigation and Prevention

Protecting systems from CVE-2019-2101 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor vendor security bulletins for updates and advisories.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Stay informed about security updates and patches released by Android for the affected product and version.