CVE-2023-35803 : Security Advisory and Response

Understanding CVE-2023-35803

A Buffer Overflow vulnerability has been identified in IQ Engine before 10.6r2 on Extreme Network AP devices, affecting their security.

What is CVE-2023-35803?

CVE-2023-35803 is a Buffer Overflow vulnerability found in IQ Engine before version 10.6r2 on Extreme Network AP devices. This vulnerability can be exploited by attackers to potentially execute arbitrary code or crash the system.

The Impact of CVE-2023-35803

The impact of this vulnerability is severe as it allows threat actors to compromise the security of affected Extreme Network AP devices. Successful exploitation could lead to unauthorized access, data breaches, or denial of service.

Technical Details of CVE-2023-35803

This section provides a detailed overview of the vulnerability.

Vulnerability Description

The Buffer Overflow vulnerability in IQ Engine before version 10.6r2 allows attackers to send specially crafted input to the application, potentially leading to the execution of arbitrary code or a system crash.

Affected Systems and Versions

Extreme Network AP devices running IQ Engine versions before 10.6r2 are vulnerable to this exploit. It is crucial for users to update their systems to the latest version to mitigate the risk.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending malicious input that exceeds the buffer size allocated for processing. By doing so, they can overwrite adjacent memory locations and gain unauthorized control over the device.

Mitigation and Prevention

To address CVE-2023-35803 and prevent exploitation, it is essential to take immediate action and adopt long-term security practices.

Immediate Steps to Take

Update IQ Engine to version 10.6r2 or later to patch the vulnerability.
Implement network segmentation and access controls to limit exposure.

Long-Term Security Practices

Regularly update and patch all software and firmware to protect against known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses proactively.

Patching and Updates

Extreme Networks has released a patch for this vulnerability. Users should promptly apply the latest updates and security patches to safeguard their systems.