CVE-2021-46043 : Security Advisory and Response

A Pointer Dereference Vulnerability in GPAC 1.0.1 can lead to Denial of Service.

Understanding CVE-2021-46043

What is CVE-2021-46043?

This CVE identifies a Pointer Dereference Vulnerability in GPAC 1.0.1, specifically in the gf_list_count function, resulting in a Denial of Service.

The Impact of CVE-2021-46043

This vulnerability can be exploited by attackers to cause a Denial of Service, potentially disrupting services and systems.

Technical Details of CVE-2021-46043

Vulnerability Description

The vulnerability exists in GPAC 1.0.1 due to improper handling of pointers in the gf_list_count function, allowing attackers to trigger a Denial of Service condition.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the vulnerable gf_list_count function, leading to a crash or system unresponsiveness.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by the vendor to fix the vulnerability.
Monitor network traffic for any suspicious activity targeting the affected function.

Long-Term Security Practices

Regularly update software and systems to ensure the latest security patches are implemented.
Conduct security audits and assessments to identify and remediate any potential vulnerabilities.

Patching and Updates

Patch updates should be promptly applied to GPAC to mitigate the Pointer Dereference Vulnerability leading to Denial of Service.