CVE-2019-12936 Explained : Impact and Mitigation
Learn about CVE-2019-12936, a high-severity vulnerability in BlueStacks App Player versions 2, 3, and 4 (before 4.90) enabling DNS Rebinding attacks on exposed IPC functions. Find mitigation steps and prevention measures.
BlueStacks App Player versions 2, 3, and 4 (prior to 4.90) have a vulnerability that enables DNS Rebinding attacks on the IPC functions that are exposed.
Understanding CVE-2019-12936
BlueStacks App Player versions 2, 3, and 4 (prior to 4.90) are susceptible to DNS Rebinding attacks due to a security flaw in the exposed IPC functions.
What is CVE-2019-12936?
CVE-2019-12936 is a vulnerability found in BlueStacks App Player versions 2, 3, and 4 (before 4.90) that allows for DNS Rebinding attacks on the IPC functions that are accessible.
The Impact of CVE-2019-12936
The vulnerability has a CVSS base score of 7.1, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2019-12936
BlueStacks App Player versions 2, 3, and 4 (prior to 4.90) are affected by the following technical details:
Vulnerability Description
The vulnerability enables DNS Rebinding attacks on the exposed IPC functions within the BlueStacks App Player software.
Affected Systems and Versions
- BlueStacks App Player versions 2, 3, and 4 (before 4.90)
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: Required
- Scope: Unchanged
- Availability Impact: High
- Confidentiality Impact: High
- Integrity Impact: High
Mitigation and Prevention
To address CVE-2019-12936, consider the following mitigation strategies:
Immediate Steps to Take
- Update BlueStacks App Player to version 4.90 or later to eliminate the vulnerability.
- Avoid clicking on suspicious links or downloading files from untrusted sources.
- Monitor network traffic for any unusual DNS requests.
Long-Term Security Practices
- Regularly update software and applications to patch known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Apply security patches and updates provided by BlueStacks to ensure the software is protected against known vulnerabilities.