CVE-2023-44828 : Security Advisory and Response
Learn about CVE-2023-44828, a buffer overflow vulnerability in D-Link DIR-823G A1V1.0.2B05, allowing attackers to launch a Denial of Service attack. Find mitigation steps and long-term security practices here.
A buffer overflow vulnerability has been discovered in D-Link DIR-823G A1V1.0.2B05, allowing attackers to launch a Denial of Service (DoS) attack through a specific input parameter.
Understanding CVE-2023-44828
This CVE describes a critical buffer overflow issue in D-Link DIR-823G A1V1.0.2B05 that can be exploited by attackers to cause a DoS attack.
What is CVE-2023-44828?
The vulnerability exists in the CheckPasswdSettings function of D-Link DIR-823G A1V1.0.2B05 due to improper validation of the CurrentPassword parameter, enabling a buffer overflow attack.
The Impact of CVE-2023-44828
The security flaw allows malicious actors to disrupt services on affected devices, leading to a DoS condition that can impact network availability.
Technical Details of CVE-2023-44828
This section provides a detailed overview of the vulnerability's technical aspects.
Vulnerability Description
The buffer overflow vulnerability in D-Link DIR-823G A1V1.0.2B05 arises from unchecked user input, enabling an attacker to overwhelm the system's memory buffers and potentially execute arbitrary code.
Affected Systems and Versions
The affected system is D-Link DIR-823G A1V1.0.2B05, specifically in the CheckPasswdSettings function with the CurrentPassword parameter.
Exploitation Mechanism
By sending a carefully crafted input to the CurrentPassword parameter, threat actors can trigger the buffer overflow condition, leading to a DoS attack.
Mitigation and Prevention
To mitigate the risks associated with CVE-2023-44828, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
It is crucial to apply vendor-supplied patches or security updates promptly to address the identified vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implement rigorous input validation mechanisms and secure coding practices to fortify against buffer overflow vulnerabilities and other forms of cyber attacks.
Patching and Updates
Regularly monitor for security advisories from D-Link and apply patches or updates as soon as they are available to ensure the protection of your network infrastructure.