CVE-2019-2302 : Vulnerability Insights and Analysis
Learn about CVE-2019-2302, an integer overflow vulnerability in Qualcomm Snapdragon platforms, potentially leading to heap overflow. Find out affected systems, exploitation details, and mitigation steps.
An integer overflow vulnerability in multiple Qualcomm Snapdragon platforms can lead to a heap overflow when processing a vendor command with a corrupted channel count.
Understanding CVE-2019-2302
This CVE affects various Qualcomm Snapdragon platforms and chipsets due to an integer overflow vulnerability.
What is CVE-2019-2302?
- An integer overflow occurs during the processing of a vendor command with a corrupted channel count, resulting in a heap overflow.
- Affected Qualcomm Snapdragon platforms include Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables.
The Impact of CVE-2019-2302
- The vulnerability can be exploited to trigger a heap overflow, potentially leading to arbitrary code execution or denial of service.
Technical Details of CVE-2019-2302
This section provides more technical insights into the vulnerability.
Vulnerability Description
- The issue arises from an integer overflow when handling a vendor command with a corrupted channel count, leading to a heap overflow.
Affected Systems and Versions
- Affected chipsets include APQ8017, APQ8053, APQ8096AU, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909, MSM8909W, MSM8976, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCN7605, QCS405, QCS605, SDA845, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SDX24, SM6150.
Exploitation Mechanism
- Attackers can exploit this vulnerability by crafting a malicious vendor command with a corrupted channel count to trigger the integer overflow and subsequent heap overflow.
Mitigation and Prevention
Protecting systems from CVE-2019-2302 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Qualcomm to address the vulnerability.
- Monitor vendor communications for updates and advisories regarding this issue.
Long-Term Security Practices
- Regularly update firmware and software to mitigate potential security risks.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Ensure all affected systems are updated with the latest patches and firmware releases to prevent exploitation of this vulnerability.