CVE-2023-28560 : What You Need to Know

This CVE-2023-28560 pertains to a memory corruption vulnerability in WLAN HAL (Hardware Abstraction Layer) in Qualcomm Snapdragon chipsets. The vulnerability arises when processing devIndex from an untrusted WMI (Wireless Management Interface) payload.

Understanding CVE-2023-28560

This section delves into the specifics of the CVE, outlining what the vulnerability entails and its potential impact.

What is CVE-2023-28560?

CVE-2023-28560 involves memory corruption within WLAN HAL due to improper handling of devIndex from untrusted WMI payloads. Attackers exploiting this vulnerability may execute arbitrary code or cause a denial of service (DoS) condition on affected devices.

The Impact of CVE-2023-28560

With a CVSSv3.1 base score of 7.8, this vulnerability has a high severity level. The attack complexity is low, but the impact on confidentiality, integrity, and availability is high. It poses a significant risk to devices utilizing the affected Qualcomm Snapdragon chipsets.

Technical Details of CVE-2023-28560

This section provides in-depth technical information about the vulnerability, including affected systems, exploitation mechanisms, and more.

Vulnerability Description

The vulnerability involves a buffer copy operation that fails to validate the input size adequately in WLAN HAL, leading to memory corruption when processing devIndex from untrusted WMI payloads.

Affected Systems and Versions

Numerous Qualcomm Snapdragon chipsets are impacted by this vulnerability, including but not limited to APQ8076, APQ8084, APQ8092, AR8035, FastConnect 6700, QCA6174, Snapdragon 660, Snapdragon 765G, among others.

Exploitation Mechanism

By sending a crafted WMI payload containing malicious data to the WLAN HAL component, threat actors can trigger the buffer copy operation without size verification, potentially leading to memory corruption and subsequent exploitation.

Mitigation and Prevention

To safeguard systems against CVE-2023-28560, immediate actions and long-term security measures need to be implemented by affected users and organizations.

Immediate Steps to Take

Apply patches and security updates provided by Qualcomm to address the vulnerability promptly.
Monitor network traffic for any suspicious activities that could indicate an attempted exploit of the WLAN HAL memory corruption issue.

Long-Term Security Practices

Follow best practices for secure coding and input validation to prevent similar vulnerabilities in the future.
Conduct regular security assessments and audits to identify and mitigate potential weaknesses in WLAN HAL or other critical components.

Patching and Updates

Stay informed about security bulletins and advisories from Qualcomm to ensure timely deployment of patches and updates that address CVE-2023-28560. Regularly check for firmware upgrades and security fixes to maintain a secure environment.

By understanding the nature of this vulnerability and taking proactive security measures, users can mitigate the risks associated with CVE-2023-28560 in Qualcomm Snapdragon chipsets.