CVE-2018-5839 : Exploit Details and Defense Strategies

Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile devices are affected by an improper memory protection configuration vulnerability that can lead to unauthorized access to the modem image.

Understanding CVE-2018-5839

This CVE involves a security vulnerability in Qualcomm's Snapdragon series devices that can result in unauthorized access to critical modem image data.

What is CVE-2018-5839?

The vulnerability in Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, and Mobile devices allows unauthorized read/write access to the modem image from the HLOS kernel due to improperly configured memory protection.

The Impact of CVE-2018-5839

If exploited, this vulnerability could potentially lead to unauthorized access to sensitive modem image data, compromising the security and integrity of the affected devices.

Technical Details of CVE-2018-5839

Qualcomm's Snapdragon series devices are affected by this vulnerability, impacting various versions including MDM9150, MDM9615, SD 820, SD 835, and more.

Vulnerability Description

The vulnerability arises from improper memory protection configuration, enabling unauthorized read/write access to the modem image from the HLOS kernel.

Affected Systems and Versions

Products: Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, Mobile
Versions: MDM9150, MDM9615, SD 820, SD 835, and more

Exploitation Mechanism

Unauthorized access to the modem image is achieved by exploiting the misconfigured memory protection settings on the affected Snapdragon devices.

Mitigation and Prevention

To address CVE-2018-5839, immediate steps and long-term security practices are crucial.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor official sources for updates and advisories regarding this vulnerability.

Long-Term Security Practices

Regularly update device firmware and software to mitigate potential security risks.
Implement proper access controls and security configurations to prevent unauthorized access.

Patching and Updates

Ensure all affected devices are updated with the latest security patches from Qualcomm to address the memory protection vulnerability.