CVE-2019-20160 : What You Need to Know

A vulnerability has been identified in GPAC versions 0.8.0 and 0.9.0-development-20191109. The issue involves a stack-based buffer overflow in the av1_parse_tile_group() function in media_tools/av_parsers.c.

Understanding CVE-2019-20160

This CVE pertains to a specific vulnerability in GPAC software versions.

What is CVE-2019-20160?

CVE-2019-20160 is a stack-based buffer overflow vulnerability found in GPAC versions 0.8.0 and 0.9.0-development-20191109. The flaw exists in the av1_parse_tile_group() function within the av_parsers.c file.

The Impact of CVE-2019-20160

This vulnerability could potentially allow an attacker to execute arbitrary code or crash the application, leading to a denial of service (DoS) condition.

Technical Details of CVE-2019-20160

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

Vulnerability Description

The vulnerability involves a stack-based buffer overflow in the av1_parse_tile_group() function in GPAC versions 0.8.0 and 0.9.0-development-20191109.

Affected Systems and Versions

GPAC version 0.8.0
GPAC version 0.9.0-development-20191109

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious input that triggers the buffer overflow in the av1_parse_tile_group() function.

Mitigation and Prevention

Protecting systems from CVE-2019-20160 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update GPAC software to a patched version that addresses the buffer overflow vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflows.
Regularly update and patch software to mitigate known vulnerabilities.

Patching and Updates

Ensure that all systems running GPAC are regularly updated with the latest security patches to prevent exploitation of CVE-2019-20160.