CVE-2021-46039 : Exploit Details and Defense Strategies

A Pointer Dereference Vulnerability exists in GPAC 1.0.1 via the shift_chunk_offsets.part function, leading to a Denial of Service (context-dependent).

Understanding CVE-2021-46039

This CVE identifies a specific vulnerability in GPAC 1.0.1 that can result in a Denial of Service.

What is CVE-2021-46039?

The vulnerability in GPAC 1.0.1 allows attackers to trigger a Pointer Dereference issue within the shift_chunk_offsets.part function, causing a Denial of Service (DoS) attack.

The Impact of CVE-2021-46039

Exploitation of this vulnerability can lead to a context-dependent Denial of Service, potentially disrupting the normal operation of GPAC 1.0.1.

Technical Details of CVE-2021-46039

This section provides more in-depth technical insights into the vulnerability identified in CVE-2021-46039.

Vulnerability Description

A Pointer Dereference Vulnerability is exploited in the GPAC 1.0.1 software through the shift_chunk_offsets.part function.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Version: n/a (affected)

Exploitation Mechanism

The vulnerability is triggered through manipulation of the shift_chunk_offsets.part function, allowing attackers to perform a context-dependent Denial of Service attack.

Mitigation and Prevention

Understanding the necessary steps to mitigate and prevent exploitation of CVE-2021-46039 is crucial.

Immediate Steps to Take

Monitor for any unusual activity related to the shift_chunk_offsets.part function in GPAC 1.0.1.
Apply security patches or updates provided by the software vendor.

Long-Term Security Practices

Conduct regular security assessments and audits to identify vulnerabilities proactively.
Implement secure coding practices to prevent similar Pointer Dereference vulnerabilities.

Patching and Updates

Stay informed about patches released by GPAC to address the vulnerability.
Regularly update GPAC to the latest version to ensure protection against known vulnerabilities.