CVE-2023-33098 : Security Advisory and Response

A buffer over-read vulnerability has been identified in Qualcomm Snapdragon devices, leading to a transient denial-of-service condition while parsing WPA IES with a length greater than the expected size.

Understanding CVE-2023-33098

This section provides insights into the impact and technical details of the CVE-2023-33098 vulnerability.

What is CVE-2023-33098?

The CVE-2023-33098 vulnerability involves a buffer over-read in WLAN firmware, affecting various Qualcomm Snapdragon products.

The Impact of CVE-2023-33098

The vulnerability can result in a transient denial-of-service condition on affected devices when processing WPA IES with excessive length.

Technical Details of CVE-2023-33098

The following section delves into the vulnerability description, affected systems, and exploitation mechanism of CVE-2023-33098.

Vulnerability Description

Qualcomm Snapdragon devices are susceptible to a buffer over-read issue in WLAN firmware, triggered by parsing WPA IES with lengths exceeding expected values.

Affected Systems and Versions

Multiple versions of Snapdragon products such as Snapdragon Mobile, Wearables, Voice & Music, and more are impacted by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability requires sending crafted network packets containing WPA IES with excessive length, triggering the buffer over-read condition.

Mitigation and Prevention

This section outlines the immediate steps and long-term security practices to mitigate the risks associated with CVE-2023-33098.

Immediate Steps to Take

Apply security patches provided by Qualcomm to address the buffer over-read vulnerability promptly.
Monitor network traffic for any suspicious activities that may indicate exploitation attempts.

Long-Term Security Practices

Regularly update firmware and software on Qualcomm Snapdragon devices to mitigate potential security vulnerabilities.
Implement network intrusion detection systems to enhance threat detection capabilities.

Patching and Updates

Stay informed about security bulletins and updates released by Qualcomm to ensure timely patching of vulnerabilities like CVE-2023-33098.