CVE-2022-25736 Explained : Impact and Mitigation

A denial of service vulnerability affecting Qualcomm Snapdragon processors has been identified, leading to out-of-bound read in WLAN due to VHT action frame processing.

Understanding CVE-2022-25736

This CVE involves a vulnerability in Qualcomm Snapdragon processors that could result in denial of service due to an out-of-bound read during processing of VHT action frames.

What is CVE-2022-25736?

The CVE-2022-25736 vulnerability occurs in Qualcomm Snapdragon processors, impacting various product lines including Snapdragon Auto, Compute, Connectivity, Mobile, and more. It specifically results in a denial of service due to an out-of-bound read in WLAN when processing VHT action frames.

The Impact of CVE-2022-25736

The impact of this vulnerability is significant as it allows attackers to exploit the WLAN functionality of affected Qualcomm Snapdragon devices, potentially leading to denial of service incidents. The vulnerability affects a wide range of Snapdragon product lines, posing a threat to devices across multiple sectors.

Technical Details of CVE-2022-25736

This section provides detailed technical information about the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from a buffer over-read in WLAN, specifically during the handling of VHT action frames in Qualcomm Snapdragon processors. This flaw can be exploited by attackers to trigger denial of service incidents.

Affected Systems and Versions

Various versions of Qualcomm Snapdragon processors are affected by this vulnerability, including popular models like SD 855, 865, 888, and more. The issue impacts a wide range of Snapdragon product lines across different sectors.

Exploitation Mechanism

To exploit CVE-2022-25736, attackers can craft malicious VHT action frames to trigger the out-of-bound read in WLAN functionality of affected Qualcomm Snapdragon devices. This can lead to denial of service incidents and potential service disruptions.

Mitigation and Prevention

In response to CVE-2022-25736, immediate steps should be taken to mitigate the risk posed by this vulnerability and ensure the long-term security of affected systems.

Immediate Steps to Take

Affected organizations and users should apply security patches and updates provided by Qualcomm to address the vulnerability in Snapdragon processors. It is crucial to follow recommended security best practices and configurations to enhance system security.

Long-Term Security Practices

To bolster long-term security, organizations should conduct regular security assessments, maintain up-to-date firmware and software, implement network segmentation, and monitor for any unusual network activities indicating potential exploitation.

Patching and Updates

Qualcomm has released security updates addressing the CVE-2022-25736 vulnerability. Users and organizations utilizing affected Snapdragon processors should promptly apply these patches to mitigate the risk of exploitation and enhance overall system security.