CVE-2019-20208 : Security Advisory and Response

A stack-based buffer overflow vulnerability was identified in the dimC_Read function of isomedia/box_code_3gpp.c in GPAC 0.8.0.

Understanding CVE-2019-20208

This CVE involves a critical buffer overflow issue in GPAC 0.8.0.

What is CVE-2019-20208?

This CVE refers to a stack-based buffer overflow in the dimC_Read function of isomedia/box_code_3gpp.c in GPAC 0.8.0, potentially allowing attackers to execute arbitrary code or crash the application.

The Impact of CVE-2019-20208

The vulnerability could be exploited by remote attackers to compromise the affected system, leading to unauthorized access, denial of service, or potential code execution.

Technical Details of CVE-2019-20208

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The dimC_Read function in isomedia/box_code_3gpp.c in GPAC 0.8.0 is susceptible to a stack-based buffer overflow, which could be exploited by attackers to trigger arbitrary code execution or application crashes.

Affected Systems and Versions

Product: GPAC 0.8.0
Vendor: GPAC
Version: Not applicable

Exploitation Mechanism

The vulnerability arises due to improper handling of user-supplied input within the dimC_Read function, leading to a buffer overflow condition that can be exploited by malicious actors.

Mitigation and Prevention

Protecting systems from CVE-2019-20208 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches or updates provided by the vendor promptly.
Consider implementing network-level protections to filter out potentially malicious traffic targeting the vulnerable component.
Monitor network traffic for any signs of exploitation attempts.

Long-Term Security Practices

Regularly update and patch all software components to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses proactively.
Educate users and administrators about secure coding practices and the importance of timely security updates.

Patching and Updates

Ensure that GPAC 0.8.0 is updated to a secure version that addresses the stack-based buffer overflow vulnerability.