CVE-2021-36417 : Vulnerability Insights and Analysis
Learn about CVE-2021-36417, a heap-based buffer overflow flaw in GPAC v1.0.1. Find out its impact, technical details, affected systems, exploitation mechanism, and mitigation steps.
A heap-based buffer overflow vulnerability exists in GPAC v1.0.1 in the gf_isom_dovi_config_get function in MP4Box, which causes a denial of service or execution of arbitrary code via a crafted file.
Understanding CVE-2021-36417
This section provides detailed insights into the CVE-2021-36417 vulnerability.
What is CVE-2021-36417?
The CVE-2021-36417 vulnerability is a heap-based buffer overflow issue in GPAC v1.0.1, affecting the gf_isom_dovi_config_get function in MP4Box. This security flaw could be exploited by an attacker to trigger a denial of service condition or execute arbitrary code by using a specially crafted file.
The Impact of CVE-2021-36417
The impact of this vulnerability is severe as it allows an unauthorized attacker to disrupt services or potentially execute malicious instructions on the target system, leading to a compromised environment.
Technical Details of CVE-2021-36417
This section delves into the technical aspects of the CVE-2021-36417 vulnerability.
Vulnerability Description
The vulnerability arises due to improper handling of data in GPAC's MP4Box utility, leading to a heap-based buffer overflow condition that can be exploited by an attacker.
Affected Systems and Versions
The vulnerability affects GPAC v1.0.1 in the gf_isom_dovi_config_get function within MP4Box. Specific details about affected systems and versions are not disclosed.
Exploitation Mechanism
To exploit CVE-2021-36417, an attacker needs to craft a malicious file that triggers the heap-based buffer overflow by manipulating the input data processed by the vulnerable function.
Mitigation and Prevention
Explore the strategies to mitigate the risks associated with CVE-2021-36417.
Immediate Steps to Take
It is recommended to update the affected GPAC software to a patched version or apply any security fixes provided by the vendor. Additionally, exercise caution when handling untrusted files to prevent exploitation of this vulnerability.
Long-Term Security Practices
Implement secure coding practices, regularly update software to the latest versions, and conduct security assessments to identify and remediate vulnerabilities proactively.
Patching and Updates
Stay informed about security updates released by GPAC and apply patches promptly to mitigate the risk of exploitation through CVE-2021-36417.