CVE-2019-2324 : Exploit Details and Defense Strategies
Learn about CVE-2019-2324, an improper validation vulnerability in Qualcomm Snapdragon products, allowing unauthorized access. Find out affected systems, versions, and mitigation steps.
When the ADSP is compromised, the audio port index returned by the ADSP may fall outside the valid range, resulting in unauthorized access in various Qualcomm Snapdragon products.
Understanding CVE-2019-2324
This CVE involves improper validation of array index in audio, leading to unauthorized access in multiple Qualcomm Snapdragon products.
What is CVE-2019-2324?
CVE-2019-2324 is a vulnerability that occurs when the ADSP (Audio Digital Signal Processor) is compromised, allowing unauthorized access due to an out-of-range audio port index.
The Impact of CVE-2019-2324
The vulnerability can result in unauthorized access to sensitive information and potential exploitation by malicious actors targeting Qualcomm Snapdragon products.
Technical Details of CVE-2019-2324
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The issue arises when the audio port index returned by the compromised ADSP falls outside the valid range, enabling unauthorized access.
Affected Systems and Versions
- Affected Products: Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IoT, Snapdragon Industrial IoT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Affected Versions: MDM9150, MDM9206, MDM9607, MDM9615, MDM9640, MDM9650, MSM8909W, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 615/16/SD 415, SD 625, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 845 / SD 850, SD 855, SDX20, SDX24
Exploitation Mechanism
The vulnerability can be exploited by manipulating the compromised ADSP to return an audio port index outside the valid range, allowing unauthorized access to the system.
Mitigation and Prevention
To address CVE-2019-2324, follow these mitigation strategies:
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm to fix the vulnerability.
- Monitor for any unauthorized access or unusual activities on the affected systems.
Long-Term Security Practices
- Regularly update and patch all Qualcomm Snapdragon products to prevent security vulnerabilities.
- Implement access controls and monitoring mechanisms to detect and prevent unauthorized access attempts.
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm to address vulnerabilities promptly.