CVE-2018-21016 Explained : Impact and Mitigation
Learn about CVE-2018-21016 affecting GPAC version 0.7.1. Discover the impact, technical details, affected systems, exploitation mechanism, and mitigation steps to prevent the denial of service vulnerability.
GPAC version 0.7.1 is susceptible to a denial of service and application crash due to a heap-based buffer over-read in the audio_sample_entry_AddBox() function in the box_code_base.c file. Remote attackers can exploit this vulnerability.
Understanding CVE-2018-21016
This CVE identifies a security issue in GPAC version 0.7.1 that can be exploited by remote attackers to cause a denial of service and application crash.
What is CVE-2018-21016?
CVE-2018-21016 is a vulnerability in GPAC version 0.7.1 that allows remote attackers to trigger a denial of service and application crash by exploiting a heap-based buffer over-read in the audio_sample_entry_AddBox() function.
The Impact of CVE-2018-21016
The vulnerability can lead to a denial of service and application crash, potentially disrupting the normal operation of systems utilizing GPAC version 0.7.1.
Technical Details of CVE-2018-21016
GPAC version 0.7.1 is affected by a specific vulnerability that can be exploited by remote attackers.
Vulnerability Description
The issue arises from a heap-based buffer over-read in the audio_sample_entry_AddBox() function in the box_code_base.c file of GPAC version 0.7.1.
Affected Systems and Versions
- Product: GPAC
- Version: 0.7.1
Exploitation Mechanism
Remote attackers can exploit this vulnerability by crafting a malicious file to trigger the heap-based buffer over-read, leading to a denial of service and application crash.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2018-21016.
Immediate Steps to Take
- Update GPAC to a patched version that addresses the vulnerability.
- Implement network security measures to prevent remote exploitation.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Conduct security assessments and audits to identify and mitigate vulnerabilities.
Patching and Updates
Ensure that GPAC version 0.7.1 is updated to a secure version that includes fixes for the heap-based buffer over-read vulnerability.