CVE-2019-6963 : Security Advisory and Response

The CcspPandM module in RDK RDKB-20181217-1 is susceptible to a heap-based buffer overflow in cosa_dhcpv4_dml.c, potentially allowing remote code execution by malicious actors with login credentials.

Understanding CVE-2019-6963

This CVE involves a critical vulnerability in the CcspPandM module of RDK RDKB-20181217-1, which could be exploited by crafting a lengthy buffer in the "Comment" field of an IP reservation form within the admin panel.

What is CVE-2019-6963?

The vulnerability lies in the CcspPandM module of RDK RDKB-20181217-1
Attackers with login credentials can exploit a heap-based buffer overflow in cosa_dhcpv4_dml.c
Exploitation involves creating a long buffer in the "Comment" field of an IP reservation form

The Impact of CVE-2019-6963

Malicious individuals could remotely execute code on affected systems
The issue is linked to the CcspCommonLibrary module

Technical Details of CVE-2019-6963

The following technical details outline the vulnerability:

Vulnerability Description

Heap-based buffer overflow in cosa_dhcpv4_dml.c
Allows remote code execution with login credentials

Affected Systems and Versions

Product: n/a
Vendor: n/a
Version: n/a

Exploitation Mechanism

Crafting a lengthy buffer in the "Comment" field of an IP reservation form

Mitigation and Prevention

It is crucial to take immediate steps and implement long-term security practices to mitigate the risks associated with CVE-2019-6963.

Immediate Steps to Take

Apply security patches provided by the vendor
Monitor network traffic for any suspicious activities
Restrict access to administrative panels

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments
Educate users on secure password practices
Implement network segmentation to limit the impact of potential breaches
Keep systems and software up to date
Employ intrusion detection and prevention systems

Patching and Updates

Regularly check for security updates and patches from the vendor
Apply patches promptly to address known vulnerabilities