CVE-2018-6953 : Security Advisory and Response

CCN-lite 2's NDNTLV Parser lacks proper length verification, leading to buffer overflow and memory access issues.

Understanding CVE-2018-6953

The vulnerability in CCN-lite 2 allows for buffer overflow due to inadequate length verification in the NDNTLV Parser.

What is CVE-2018-6953?

The Parser of NDNTLV in CCN-lite 2 fails to verify the length field of a specific component, resulting in buffer overflow and memory access beyond its bounds.

The Impact of CVE-2018-6953

This vulnerability can be exploited to execute arbitrary code, crash the application, or potentially gain unauthorized access to sensitive information.

Technical Details of CVE-2018-6953

The technical aspects of the vulnerability in CCN-lite 2's NDNTLV Parser.

Vulnerability Description

The NDNTLV Parser in CCN-lite 2 does not validate if the length field matches the actual component length, leading to buffer overflow and memory access issues.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

The lack of length verification allows attackers to craft malicious inputs that trigger buffer overflow, leading to unauthorized memory access.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-6953 vulnerability.

Immediate Steps to Take

Apply patches or updates provided by the vendor to address the vulnerability.
Implement proper input validation mechanisms to prevent buffer overflow attacks.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Conduct regular security audits and code reviews to identify and address potential vulnerabilities.
Stay informed about security best practices and emerging threats in the networking and software development domains.

Patching and Updates

Stay informed about security advisories from CCN-lite 2 and promptly apply any patches or updates released to fix the vulnerability.