CVE-2021-30014 : Exploit Details and Defense Strategies

An integer overflow vulnerability has been identified in the hevc_parse_slice_segment function in GPAC 1.0.1, specifically in the media_tools/av_parsers.c file. This vulnerability can lead to a crash in the software.

Understanding CVE-2021-30014

This section will provide insights into the nature and impact of the CVE-2021-30014 vulnerability.

What is CVE-2021-30014?

The CVE-2021-30014 is an integer overflow vulnerability found in the hevc_parse_slice_segment function in GPAC 1.0.1. The issue exists within the media_tools/av_parsers.c file and can result in a software crash.

The Impact of CVE-2021-30014

The impact of CVE-2021-30014 is significant as it can allow attackers to exploit the integer overflow to cause a crash in GPAC 1.0.1. This crash can potentially disrupt the normal operation of the software and pose a security risk to systems.

Technical Details of CVE-2021-30014

Let's delve deeper into the technical aspects of CVE-2021-30014 to better understand the vulnerability.

Vulnerability Description

The vulnerability is categorized as an integer overflow in the hevc_parse_slice_segment function in GPAC 1.0.1. This flaw can be exploited to trigger a crash within the software, leading to denial of service.

Affected Systems and Versions

GPAC 1.0.1 is confirmed to be affected by this vulnerability. Other specific affected systems or versions may arise from this issue as well.

Exploitation Mechanism

Cyber attackers can potentially exploit the integer overflow in the hevc_parse_slice_segment function to craft malicious inputs that trigger the overflow. Upon successful exploitation, the software may crash.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-30014, it is crucial to implement appropriate security measures and patches.

Immediate Steps to Take

Users are advised to update GPAC to a patched version provided by the vendor. Additionally, deploying intrusion detection systems can help in identifying potential exploitation attempts.

Long-Term Security Practices

Regular security audits and code reviews can aid in identifying and addressing vulnerabilities like CVE-2021-30014. Implementing secure coding practices in software development can prevent similar issues in the future.

Patching and Updates

Stay informed about security updates released by GPAC and promptly apply patches to ensure that your system is protected against known vulnerabilities.