CVE-2021-45760 : What You Need to Know

GPAC v1.1.0 was discovered to contain an invalid memory address dereference via the function gf_list_last(). This vulnerability allows attackers to cause a Denial of Service (DoS).

Understanding CVE-2021-45760

This CVE identifies a specific vulnerability in GPAC v1.1.0 that can be exploited to trigger a Denial of Service (DoS) attack.

What is CVE-2021-45760?

CVE-2021-45760 refers to a flaw in GPAC v1.1.0 that stems from an invalid memory address dereference in the function gf_list_last(). By manipulating this vulnerability, malicious actors could execute a DoS attack, disrupting the normal operation of the affected system.

The Impact of CVE-2021-45760

The impact of this vulnerability is the potential for attackers to exploit it to launch DoS attacks, leading to system unavailability and potential service disruption.

Technical Details of CVE-2021-45760

This section delves into the technical specifics of the CVE.

Vulnerability Description

The vulnerability in GPAC v1.1.0 arises from an invalid memory address dereference through the function gf_list_last(). This flaw enables attackers to initiate DoS attacks.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the vulnerable function, leading to the invalid memory address dereference and subsequent DoS.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks posed by CVE-2021-45760.

Immediate Steps to Take

Apply vendor patches or updates to address the vulnerability promptly.
Implement filters or network-based detection mechanisms to block suspicious requests.
Monitor system logs for any signs of abnormal behavior that could indicate an ongoing attack.

Long-Term Security Practices

Regularly update and patch all software components to safeguard against known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses proactively.

Patching and Updates

Stay informed about security advisories from GPAC and relevant vendors to apply patches and updates as soon as they are available.