CVE-2018-5903 : Security Advisory and Response

Snapdragon platforms by Qualcomm are affected by an out-of-bounds read vulnerability due to improper array validation during WLAN firmware processing.

Understanding CVE-2018-5903

This CVE involves an out-of-bounds read vulnerability in various Snapdragon platforms, potentially leading to security risks.

What is CVE-2018-5903?

The vulnerability arises from improper array validation during the processing of VDEV stop response from WLAN firmware in multiple Snapdragon platforms.

The Impact of CVE-2018-5903

The vulnerability can result in an out-of-bounds read, potentially exploited by malicious actors to gain unauthorized access or disrupt systems.

Technical Details of CVE-2018-5903

Qualcomm's Snapdragon platforms are susceptible to this security flaw, affecting a range of products and versions.

Vulnerability Description

Improper array validation during WLAN firmware processing in Snapdragon platforms can lead to an out-of-bounds read vulnerability.

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Consumer IoT, Snapdragon Industrial IoT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music
Versions: MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCS605, SD 625, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820A, SD 855, SDM630, SDM660, SDX20, SDX24

Exploitation Mechanism

The vulnerability can be exploited by attackers to perform out-of-bounds read operations, potentially compromising system integrity and confidentiality.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-5903 vulnerability.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor vendor communications for updates and advisories.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update firmware and software to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Stay informed about security bulletins and patches released by Qualcomm.
Ensure timely installation of firmware updates to protect against known vulnerabilities.