CVE-2023-25281 Explained : Impact and Mitigation

This CVE record details a stack overflow vulnerability found in the pingV4Msg component in D-Link DIR820LA1_FW105B03. Exploiting this vulnerability can lead to a denial of service attack by manipulating the nextPage parameter in ping.ccp.

Understanding CVE-2023-25281

This section will delve into the specifics of CVE-2023-25281, including its impact, technical details, and mitigation strategies.

What is CVE-2023-25281?

CVE-2023-25281 is a stack overflow vulnerability identified in the pingV4Msg component of D-Link DIR820LA1_FW105B03. The vulnerability can be exploited by attackers to trigger a denial of service condition by manipulating the nextPage parameter in the ping.ccp file.

The Impact of CVE-2023-25281

The impact of CVE-2023-25281 is significant as it allows malicious actors to disrupt the normal functioning of the affected system, rendering it inaccessible to legitimate users. The exploitation of this vulnerability could result in service downtime and interruption.

Technical Details of CVE-2023-25281

Understanding the technical aspects of a CVE is crucial in implementing effective mitigation strategies to protect vulnerable systems.

Vulnerability Description

The stack overflow vulnerability in the pingV4Msg component of D-Link DIR820LA1_FW105B03 arises due to inadequate input validation of the nextPage parameter in the ping.ccp file. This can be exploited by attackers to overwhelm the system's memory, leading to a denial of service condition.

Affected Systems and Versions

At the time of publication, the specific vendor, product, and versions affected by CVE-2023-25281 are not disclosed. It is crucial for organizations using D-Link DIR820LA1_FW105B03 to monitor security bulletins and updates from the vendor to assess their exposure to this vulnerability.

Exploitation Mechanism

Attackers can exploit CVE-2023-25281 by sending crafted packets with malicious payloads to the nextPage parameter in the ping.ccp file. By causing a stack overflow, the attacker can exhaust the system's resources and trigger a denial of service condition.

Mitigation and Prevention

Mitigating CVE-2023-25281 requires proactive security measures and a swift response to prevent potential exploitation and disruption to systems.

Immediate Steps to Take

Organizations should monitor security advisories from D-Link and apply relevant patches or updates to mitigate the vulnerability.
Implement network-level protections such as firewalls and intrusion detection systems to detect and block malicious traffic targeting the vulnerable component.

Long-Term Security Practices

Employ secure coding practices during software development to prevent stack overflow vulnerabilities and other common exploit techniques.
Conduct regular security assessments and penetration testing to identify and remediate potential security weaknesses in the infrastructure.

Patching and Updates

Stay informed about security updates and patches released by D-Link for the affected product.
Promptly apply patches and updates to ensure the system is protected against known vulnerabilities, including CVE-2023-25281.