CVE-2020-11273 : Security Advisory and Response

Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and Snapdragon Mobile devices by Qualcomm are affected by a vulnerability related to histogram type KPI, potentially leading to null pointer access.

Understanding CVE-2020-11273

This CVE involves a vulnerability in Qualcomm's Snapdragon series devices that could result in a null pointer access due to a missing null check in histogram binning info.

What is CVE-2020-11273?

The vulnerability in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and Snapdragon Mobile devices arises from the teardown of histogram type KPI without proper null check, leading to potential null pointer access.

The Impact of CVE-2020-11273

The impact of this vulnerability is rated as HIGH with a CVSS base score of 7.5. It has a low attack complexity and requires no privileges, making it a significant security concern.

Technical Details of CVE-2020-11273

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability stems from the assumption of histogram binning info's existence, resulting in null pointer access when the binning info is missing due to the absence of a null check.

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
Versions: A wide range of versions including PM3003A, PM6150A, PM6350, PM8005, PM8150A, PM8250, PM855, PM8998, and many more.

Exploitation Mechanism

The vulnerability can be exploited through network-based attacks with low complexity, requiring no user interaction.

Mitigation and Prevention

Protecting systems from CVE-2020-11273 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm promptly.
Monitor Qualcomm's security bulletins for any further instructions or updates.

Long-Term Security Practices

Regularly update firmware and software on affected devices.
Implement network security measures to prevent unauthorized access.

Patching and Updates

Qualcomm may release patches to address the vulnerability, which should be applied as soon as they are available.