CVE-2021-36584 : Exploit Details and Defense Strategies

An issue was discovered in GPAC 1.0.1, where a heap-based buffer overflow in the gp_rtp_builder_do_tx3g function in ietf/rtp_pck_3gpp.c can lead to a denial of service (DOS) attack.

Understanding CVE-2021-36584

This CVE highlights a vulnerability in GPAC 1.0.1 that can be exploited to cause a denial of service through a heap-based buffer overflow.

What is CVE-2021-36584?

CVE-2021-36584 is a vulnerability in GPAC 1.0.1 that allows attackers to trigger a heap-based buffer overflow, resulting in a denial of service condition.

The Impact of CVE-2021-36584

The impact of this CVE is the potential disruption of services through a denial of service attack that exploits the heap-based buffer overflow in GPAC 1.0.1.

Technical Details of CVE-2021-36584

This section provides further insights into the vulnerability.

Vulnerability Description

The vulnerability resides in the gp_rtp_builder_do_tx3g function in ietf/rtp_pck_3gpp.c, leading to a heap-based buffer overflow that can be triggered via MP4Box.

Affected Systems and Versions

GPAC 1.0.1 is affected by this vulnerability. Other versions may also be susceptible, so caution is advised.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the function gp_rtp_builder_do_tx3g to trigger the heap-based buffer overflow using MP4Box.

Mitigation and Prevention

Protecting systems from CVE-2021-36584 requires immediate action and long-term security measures.

Immediate Steps to Take

Ensure GPAC 1.0.1 is updated with the latest security patches and configurations to mitigate the risk of a DOS attack.

Long-Term Security Practices

Implement robust security protocols, regular vulnerability assessments, and user awareness programs to enhance overall security posture.

Patching and Updates

Stay informed about security updates for GPAC to address vulnerabilities promptly and reduce the risk of exploitation.