CVE-2019-2249 : Exploit Details and Defense Strategies
Learn about CVE-2019-2249 affecting Qualcomm Snapdragon devices. Discover the impact, affected systems, and mitigation steps for this kernel memory read vulnerability.
Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking devices by Qualcomm are affected by a vulnerability allowing the kernel to perform unauthorized memory read operations.
Understanding CVE-2019-2249
This CVE involves an improper input validation issue in the kernel of various Qualcomm devices, potentially leading to unauthorized memory reads.
What is CVE-2019-2249?
The vulnerability in the affected Qualcomm devices allows the kernel to execute memory read operations from any specified address provided by the user during a system call.
The Impact of CVE-2019-2249
The vulnerability could be exploited by attackers to read sensitive information from the device's memory, potentially leading to unauthorized access to data.
Technical Details of CVE-2019-2249
The technical details of this CVE include:
Vulnerability Description
The kernel in the specified Qualcomm devices lacks proper input validation, enabling unauthorized memory reads.
Affected Systems and Versions
- Affected Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
- Affected Versions: IPQ8074, MDM9205, MDM9650, QCA8081, QCS605, SD 427, SD 435, SD 450, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM630, SDM660, SDX20, Snapdragon_High_Med_2016, SXR1130
Exploitation Mechanism
The vulnerability can be exploited by providing a specific address during a system call, allowing unauthorized memory reads.
Mitigation and Prevention
To address CVE-2019-2249, consider the following steps:
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor official sources for updates and advisories.
Long-Term Security Practices
- Regularly update the device's firmware and software.
- Implement security best practices to mitigate potential risks.
Patching and Updates
- Install the latest firmware and security updates from Qualcomm to patch the vulnerability.