CVE-2019-2303 : Security Advisory and Response
Learn about CVE-2019-2303 affecting Qualcomm Snapdragon platforms. Discover the impact, affected systems, exploitation mechanism, and mitigation steps for this vulnerability.
The SNDCP module in various Qualcomm Snapdragon platforms is vulnerable to accessing arrays beyond their boundaries when receiving incorrectly formatted XID messages.
Understanding CVE-2019-2303
This CVE affects multiple Qualcomm Snapdragon platforms and can lead to a buffer over-read issue in the GSNDCP module.
What is CVE-2019-2303?
The vulnerability allows the SNDCP module to access arrays outside their specified boundaries due to malformed XID messages.
The Impact of CVE-2019-2303
The vulnerability affects a wide range of Qualcomm Snapdragon platforms, potentially leading to unauthorized access to sensitive data and system compromise.
Technical Details of CVE-2019-2303
The technical aspects of this CVE include:
Vulnerability Description
The vulnerability arises from incorrectly formatted XID messages, enabling the SNDCP module to access arrays beyond their boundaries.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Versions: APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, MDM9150, MDM9205, MDM9206, MDM9607, MDM9615, MDM9625, MDM9635M, MDM9640, MDM9650, MDM9655, MSM8905, MSM8909, MSM8909W, and more
Exploitation Mechanism
The vulnerability is exploited by sending malformed XID messages to the SNDCP module, triggering the access of arrays beyond their boundaries.
Mitigation and Prevention
To address CVE-2019-2303, consider the following:
Immediate Steps to Take
- Apply patches provided by Qualcomm to fix the vulnerability
- Monitor for any unauthorized access or unusual activities on affected systems
Long-Term Security Practices
- Regularly update software and firmware on Qualcomm Snapdragon platforms
- Conduct security assessments and penetration testing to identify and address vulnerabilities
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm
- Implement a robust patch management process to ensure timely application of security fixes